[
  {
    "model": "app.theatre",
    "pk": 1,
    "fields": {
      "hospital": "Kestrel Hill Hospital",
      "name": "Theatre 1",
      "theatre_type": "laminar flow"
    }
  },
  {
    "model": "app.theatre",
    "pk": 2,
    "fields": {
      "hospital": "Kestrel Hill Hospital",
      "name": "Theatre 2",
      "theatre_type": "standard"
    }
  },
  {
    "model": "app.theatre",
    "pk": 3,
    "fields": {
      "hospital": "Kestrel Hill Hospital",
      "name": "Theatre 3",
      "theatre_type": "standard"
    }
  },
  {
    "model": "app.theatre",
    "pk": 4,
    "fields": {
      "hospital": "Kestrel Hill Hospital",
      "name": "Theatre 4",
      "theatre_type": "day surgery"
    }
  },
  {
    "model": "app.theatre",
    "pk": 5,
    "fields": {
      "hospital": "Kestrel Hill Hospital",
      "name": "Theatre 5",
      "theatre_type": "day surgery"
    }
  },
  {
    "model": "app.theatre",
    "pk": 6,
    "fields": {
      "hospital": "Kestrel Hill Hospital",
      "name": "Theatre 6",
      "theatre_type": "hybrid"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 1,
    "fields": {
      "theatre": 5,
      "staff_no": "SG-8450",
      "first_name": "Lavada",
      "last_name": "Kemmer",
      "grade": "consultant",
      "specialty": "general surgery",
      "first_list_at": "2026-05-04T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 2,
    "fields": {
      "theatre": 1,
      "staff_no": "SG-2864",
      "first_name": "Ivan",
      "last_name": "Halvorson",
      "grade": "associate specialist",
      "specialty": "orthopaedics",
      "first_list_at": "2026-05-04T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 3,
    "fields": {
      "theatre": 3,
      "staff_no": "SG-0316",
      "first_name": "Dusty",
      "last_name": "Rippin-Spinka",
      "grade": "associate specialist",
      "specialty": "urology",
      "first_list_at": "2026-05-04T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 4,
    "fields": {
      "theatre": 5,
      "staff_no": "SG-4444",
      "first_name": "Dwight",
      "last_name": "Bartell",
      "grade": "associate specialist",
      "specialty": "general surgery",
      "first_list_at": "2026-05-05T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 5,
    "fields": {
      "theatre": 6,
      "staff_no": "SG-1152",
      "first_name": "Caesar",
      "last_name": "Lubowitz",
      "grade": "consultant",
      "specialty": "ophthalmology",
      "first_list_at": "2026-05-04T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 6,
    "fields": {
      "theatre": 3,
      "staff_no": "SG-5980",
      "first_name": "Rollin",
      "last_name": "Paucek",
      "grade": "consultant",
      "specialty": "orthopaedics",
      "first_list_at": "2026-05-05T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 7,
    "fields": {
      "theatre": 6,
      "staff_no": "SG-9742",
      "first_name": "Sterling",
      "last_name": "Kling",
      "grade": "senior registrar",
      "specialty": "ophthalmology",
      "first_list_at": "2026-05-05T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 8,
    "fields": {
      "theatre": 3,
      "staff_no": "SG-8486",
      "first_name": "Deja",
      "last_name": "Larson",
      "grade": "senior registrar",
      "specialty": "general surgery",
      "first_list_at": "2026-05-06T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 9,
    "fields": {
      "theatre": 2,
      "staff_no": "SG-1041",
      "first_name": "Cathy",
      "last_name": "Bartoletti",
      "grade": "consultant",
      "specialty": "orthopaedics",
      "first_list_at": "2026-05-04T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 10,
    "fields": {
      "theatre": 4,
      "staff_no": "SG-7993",
      "first_name": "Josianne",
      "last_name": "Conroy",
      "grade": "consultant",
      "specialty": "urology",
      "first_list_at": "2026-05-04T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 11,
    "fields": {
      "theatre": 1,
      "staff_no": "SG-6241",
      "first_name": "Terrance",
      "last_name": "Ernser",
      "grade": "consultant",
      "specialty": "general surgery",
      "first_list_at": "2026-05-05T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 12,
    "fields": {
      "theatre": 2,
      "staff_no": "SG-8849",
      "first_name": "Elfrieda",
      "last_name": "Borer",
      "grade": "consultant",
      "specialty": "orthopaedics",
      "first_list_at": "2026-05-05T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 13,
    "fields": {
      "theatre": 6,
      "staff_no": "SG-6000",
      "first_name": "Cecile",
      "last_name": "Cormier",
      "grade": "consultant",
      "specialty": "ophthalmology",
      "first_list_at": "2026-05-06T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 14,
    "fields": {
      "theatre": 5,
      "staff_no": "SG-0541",
      "first_name": "Gabriel",
      "last_name": "Schmitt",
      "grade": "consultant",
      "specialty": "ENT",
      "first_list_at": "2026-05-06T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 15,
    "fields": {
      "theatre": 1,
      "staff_no": "SG-3082",
      "first_name": "Lavina",
      "last_name": "Orn",
      "grade": "senior registrar",
      "specialty": "general surgery",
      "first_list_at": "2026-05-06T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 16,
    "fields": {
      "theatre": 4,
      "staff_no": "SG-0360",
      "first_name": "Mozell",
      "last_name": "Hagenes",
      "grade": "associate specialist",
      "specialty": "orthopaedics",
      "first_list_at": "2026-05-05T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 17,
    "fields": {
      "theatre": 4,
      "staff_no": "SG-2658",
      "first_name": "Audreanne",
      "last_name": "Casper",
      "grade": "consultant",
      "specialty": "ophthalmology",
      "first_list_at": "2026-05-06T08:00:00Z"
    }
  },
  {
    "model": "app.surgeon",
    "pk": 18,
    "fields": {
      "theatre": 2,
      "staff_no": "SG-6693",
      "first_name": "Skye",
      "last_name": "Bernier",
      "grade": "associate specialist",
      "specialty": "gynaecology",
      "first_list_at": "2026-05-06T08:00:00Z"
    }
  },
  {
    "model": "app.session",
    "pk": 1,
    "fields": {
      "surgeon": 1,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 1,
      "starts_at": "2026-05-04T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 2,
    "fields": {
      "surgeon": 14,
      "theatre_id": 5,
      "specialty": "ENT",
      "session_no": 1,
      "starts_at": "2026-05-06T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 3,
    "fields": {
      "surgeon": 6,
      "theatre_id": 3,
      "specialty": "orthopaedics",
      "session_no": 1,
      "starts_at": "2026-05-05T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 4,
    "fields": {
      "surgeon": 9,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 1,
      "starts_at": "2026-05-04T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 5,
    "fields": {
      "surgeon": 3,
      "theatre_id": 3,
      "specialty": "urology",
      "session_no": 1,
      "starts_at": "2026-05-04T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 6,
    "fields": {
      "surgeon": 14,
      "theatre_id": 5,
      "specialty": "ENT",
      "session_no": 2,
      "starts_at": "2026-05-13T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 7,
    "fields": {
      "surgeon": 8,
      "theatre_id": 3,
      "specialty": "general surgery",
      "session_no": 1,
      "starts_at": "2026-05-06T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 8,
    "fields": {
      "surgeon": 2,
      "theatre_id": 1,
      "specialty": "orthopaedics",
      "session_no": 1,
      "starts_at": "2026-05-04T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 9,
    "fields": {
      "surgeon": 9,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 2,
      "starts_at": "2026-05-11T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 10,
    "fields": {
      "surgeon": 9,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 3,
      "starts_at": "2026-05-18T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 11,
    "fields": {
      "surgeon": 6,
      "theatre_id": 3,
      "specialty": "orthopaedics",
      "session_no": 2,
      "starts_at": "2026-05-12T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 12,
    "fields": {
      "surgeon": 18,
      "theatre_id": 2,
      "specialty": "gynaecology",
      "session_no": 1,
      "starts_at": "2026-05-06T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 13,
    "fields": {
      "surgeon": 10,
      "theatre_id": 4,
      "specialty": "urology",
      "session_no": 1,
      "starts_at": "2026-05-04T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 14,
    "fields": {
      "surgeon": 14,
      "theatre_id": 5,
      "specialty": "ENT",
      "session_no": 3,
      "starts_at": "2026-05-20T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 15,
    "fields": {
      "surgeon": 7,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 1,
      "starts_at": "2026-05-05T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 16,
    "fields": {
      "surgeon": 15,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 1,
      "starts_at": "2026-05-06T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 17,
    "fields": {
      "surgeon": 8,
      "theatre_id": 3,
      "specialty": "general surgery",
      "session_no": 2,
      "starts_at": "2026-05-13T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 18,
    "fields": {
      "surgeon": 4,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 1,
      "starts_at": "2026-05-05T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 19,
    "fields": {
      "surgeon": 18,
      "theatre_id": 2,
      "specialty": "gynaecology",
      "session_no": 2,
      "starts_at": "2026-05-13T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 20,
    "fields": {
      "surgeon": 7,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 2,
      "starts_at": "2026-05-12T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 21,
    "fields": {
      "surgeon": 13,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 1,
      "starts_at": "2026-05-06T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 22,
    "fields": {
      "surgeon": 14,
      "theatre_id": 5,
      "specialty": "ENT",
      "session_no": 4,
      "starts_at": "2026-05-27T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 23,
    "fields": {
      "surgeon": 1,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 2,
      "starts_at": "2026-05-11T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 24,
    "fields": {
      "surgeon": 12,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 1,
      "starts_at": "2026-05-05T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 25,
    "fields": {
      "surgeon": 1,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 3,
      "starts_at": "2026-05-18T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 26,
    "fields": {
      "surgeon": 5,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 1,
      "starts_at": "2026-05-04T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 27,
    "fields": {
      "surgeon": 12,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 2,
      "starts_at": "2026-05-12T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 28,
    "fields": {
      "surgeon": 2,
      "theatre_id": 1,
      "specialty": "orthopaedics",
      "session_no": 2,
      "starts_at": "2026-05-11T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 29,
    "fields": {
      "surgeon": 4,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 2,
      "starts_at": "2026-05-12T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 30,
    "fields": {
      "surgeon": 17,
      "theatre_id": 4,
      "specialty": "ophthalmology",
      "session_no": 1,
      "starts_at": "2026-05-06T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 31,
    "fields": {
      "surgeon": 12,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 3,
      "starts_at": "2026-05-19T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 32,
    "fields": {
      "surgeon": 9,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 4,
      "starts_at": "2026-05-25T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 33,
    "fields": {
      "surgeon": 18,
      "theatre_id": 2,
      "specialty": "gynaecology",
      "session_no": 3,
      "starts_at": "2026-05-20T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 34,
    "fields": {
      "surgeon": 12,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 4,
      "starts_at": "2026-05-26T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 35,
    "fields": {
      "surgeon": 3,
      "theatre_id": 3,
      "specialty": "urology",
      "session_no": 2,
      "starts_at": "2026-05-11T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 36,
    "fields": {
      "surgeon": 17,
      "theatre_id": 4,
      "specialty": "ophthalmology",
      "session_no": 2,
      "starts_at": "2026-05-13T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 37,
    "fields": {
      "surgeon": 13,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 2,
      "starts_at": "2026-05-13T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 38,
    "fields": {
      "surgeon": 11,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 1,
      "starts_at": "2026-05-05T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 39,
    "fields": {
      "surgeon": 2,
      "theatre_id": 1,
      "specialty": "orthopaedics",
      "session_no": 3,
      "starts_at": "2026-05-18T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 40,
    "fields": {
      "surgeon": 7,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 3,
      "starts_at": "2026-05-19T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 41,
    "fields": {
      "surgeon": 15,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 2,
      "starts_at": "2026-05-13T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 42,
    "fields": {
      "surgeon": 1,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 4,
      "starts_at": "2026-05-25T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 43,
    "fields": {
      "surgeon": 15,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 3,
      "starts_at": "2026-05-20T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 44,
    "fields": {
      "surgeon": 8,
      "theatre_id": 3,
      "specialty": "general surgery",
      "session_no": 3,
      "starts_at": "2026-05-20T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 45,
    "fields": {
      "surgeon": 13,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 3,
      "starts_at": "2026-05-20T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 46,
    "fields": {
      "surgeon": 5,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 2,
      "starts_at": "2026-05-11T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 47,
    "fields": {
      "surgeon": 10,
      "theatre_id": 4,
      "specialty": "urology",
      "session_no": 2,
      "starts_at": "2026-05-11T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 48,
    "fields": {
      "surgeon": 13,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 4,
      "starts_at": "2026-05-27T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 49,
    "fields": {
      "surgeon": 6,
      "theatre_id": 3,
      "specialty": "orthopaedics",
      "session_no": 3,
      "starts_at": "2026-05-19T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 50,
    "fields": {
      "surgeon": 14,
      "theatre_id": 5,
      "specialty": "ENT",
      "session_no": 5,
      "starts_at": "2026-06-03T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 51,
    "fields": {
      "surgeon": 5,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 3,
      "starts_at": "2026-05-18T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 52,
    "fields": {
      "surgeon": 3,
      "theatre_id": 3,
      "specialty": "urology",
      "session_no": 3,
      "starts_at": "2026-05-18T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 53,
    "fields": {
      "surgeon": 17,
      "theatre_id": 4,
      "specialty": "ophthalmology",
      "session_no": 3,
      "starts_at": "2026-05-20T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 54,
    "fields": {
      "surgeon": 5,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 4,
      "starts_at": "2026-05-25T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 55,
    "fields": {
      "surgeon": 4,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 3,
      "starts_at": "2026-05-19T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 56,
    "fields": {
      "surgeon": 16,
      "theatre_id": 4,
      "specialty": "orthopaedics",
      "session_no": 1,
      "starts_at": "2026-05-05T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 57,
    "fields": {
      "surgeon": 7,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 4,
      "starts_at": "2026-05-26T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 58,
    "fields": {
      "surgeon": 17,
      "theatre_id": 4,
      "specialty": "ophthalmology",
      "session_no": 4,
      "starts_at": "2026-05-27T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 59,
    "fields": {
      "surgeon": 6,
      "theatre_id": 3,
      "specialty": "orthopaedics",
      "session_no": 4,
      "starts_at": "2026-05-26T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 60,
    "fields": {
      "surgeon": 3,
      "theatre_id": 3,
      "specialty": "urology",
      "session_no": 4,
      "starts_at": "2026-05-25T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 61,
    "fields": {
      "surgeon": 5,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 5,
      "starts_at": "2026-06-01T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 62,
    "fields": {
      "surgeon": 8,
      "theatre_id": 3,
      "specialty": "general surgery",
      "session_no": 4,
      "starts_at": "2026-05-27T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 63,
    "fields": {
      "surgeon": 17,
      "theatre_id": 4,
      "specialty": "ophthalmology",
      "session_no": 5,
      "starts_at": "2026-06-03T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 64,
    "fields": {
      "surgeon": 18,
      "theatre_id": 2,
      "specialty": "gynaecology",
      "session_no": 4,
      "starts_at": "2026-05-27T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 65,
    "fields": {
      "surgeon": 10,
      "theatre_id": 4,
      "specialty": "urology",
      "session_no": 3,
      "starts_at": "2026-05-18T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 66,
    "fields": {
      "surgeon": 15,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 4,
      "starts_at": "2026-05-27T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 67,
    "fields": {
      "surgeon": 4,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 4,
      "starts_at": "2026-05-26T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 68,
    "fields": {
      "surgeon": 15,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 5,
      "starts_at": "2026-06-03T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 69,
    "fields": {
      "surgeon": 2,
      "theatre_id": 1,
      "specialty": "orthopaedics",
      "session_no": 4,
      "starts_at": "2026-05-25T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 70,
    "fields": {
      "surgeon": 18,
      "theatre_id": 2,
      "specialty": "gynaecology",
      "session_no": 5,
      "starts_at": "2026-06-03T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 71,
    "fields": {
      "surgeon": 4,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 5,
      "starts_at": "2026-06-02T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 72,
    "fields": {
      "surgeon": 16,
      "theatre_id": 4,
      "specialty": "orthopaedics",
      "session_no": 2,
      "starts_at": "2026-05-12T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 73,
    "fields": {
      "surgeon": 11,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 2,
      "starts_at": "2026-05-12T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 74,
    "fields": {
      "surgeon": 11,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 3,
      "starts_at": "2026-05-19T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 75,
    "fields": {
      "surgeon": 16,
      "theatre_id": 4,
      "specialty": "orthopaedics",
      "session_no": 3,
      "starts_at": "2026-05-19T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 76,
    "fields": {
      "surgeon": 8,
      "theatre_id": 3,
      "specialty": "general surgery",
      "session_no": 5,
      "starts_at": "2026-06-03T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 77,
    "fields": {
      "surgeon": 11,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 4,
      "starts_at": "2026-05-26T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 78,
    "fields": {
      "surgeon": 16,
      "theatre_id": 4,
      "specialty": "orthopaedics",
      "session_no": 4,
      "starts_at": "2026-05-26T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 79,
    "fields": {
      "surgeon": 16,
      "theatre_id": 4,
      "specialty": "orthopaedics",
      "session_no": 5,
      "starts_at": "2026-06-02T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 80,
    "fields": {
      "surgeon": 10,
      "theatre_id": 4,
      "specialty": "urology",
      "session_no": 4,
      "starts_at": "2026-05-25T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 81,
    "fields": {
      "surgeon": 3,
      "theatre_id": 3,
      "specialty": "urology",
      "session_no": 5,
      "starts_at": "2026-06-01T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 82,
    "fields": {
      "surgeon": 10,
      "theatre_id": 4,
      "specialty": "urology",
      "session_no": 5,
      "starts_at": "2026-06-01T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 83,
    "fields": {
      "surgeon": 13,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 5,
      "starts_at": "2026-06-03T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 84,
    "fields": {
      "surgeon": 9,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 5,
      "starts_at": "2026-06-01T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 85,
    "fields": {
      "surgeon": 11,
      "theatre_id": 1,
      "specialty": "general surgery",
      "session_no": 5,
      "starts_at": "2026-06-02T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 86,
    "fields": {
      "surgeon": 6,
      "theatre_id": 3,
      "specialty": "orthopaedics",
      "session_no": 5,
      "starts_at": "2026-06-02T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 87,
    "fields": {
      "surgeon": 12,
      "theatre_id": 2,
      "specialty": "orthopaedics",
      "session_no": 5,
      "starts_at": "2026-06-02T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 88,
    "fields": {
      "surgeon": 7,
      "theatre_id": 6,
      "specialty": "ophthalmology",
      "session_no": 5,
      "starts_at": "2026-06-02T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 89,
    "fields": {
      "surgeon": 1,
      "theatre_id": 5,
      "specialty": "general surgery",
      "session_no": 5,
      "starts_at": "2026-06-01T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.session",
    "pk": 90,
    "fields": {
      "surgeon": 2,
      "theatre_id": 1,
      "specialty": "orthopaedics",
      "session_no": 5,
      "starts_at": "2026-06-01T08:00:00Z",
      "planned_minutes": 510
    }
  },
  {
    "model": "app.cas",
    "pk": 1,
    "fields": {
      "session": 32,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-8616303",
      "urgency": "elective",
      "planned_start": "2026-05-25T08:00:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T08:09:54Z",
      "duration_ratio": "0.97",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 2,
    "fields": {
      "session": 70,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 1,
      "patient_ref": "PT-5065633",
      "urgency": "elective",
      "planned_start": "2026-06-03T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T08:04:29Z",
      "duration_ratio": "0.87",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 3,
    "fields": {
      "session": 56,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-9923301",
      "urgency": "elective",
      "planned_start": "2026-05-05T08:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T08:06:00Z",
      "duration_ratio": "1.08",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 4,
    "fields": {
      "session": 28,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-9059018",
      "urgency": "elective",
      "planned_start": "2026-05-11T08:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T08:03:36Z",
      "duration_ratio": "1.05",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 5,
    "fields": {
      "session": 76,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-8430815",
      "urgency": "urgent",
      "planned_start": "2026-06-03T08:00:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T08:01:47Z",
      "duration_ratio": "1.32",
      "actual_minutes": "69"
    }
  },
  {
    "model": "app.cas",
    "pk": 6,
    "fields": {
      "session": 52,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-9578479",
      "urgency": "elective",
      "planned_start": "2026-05-18T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T08:08:48Z",
      "duration_ratio": "1.06",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 7,
    "fields": {
      "session": 58,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-9444171",
      "urgency": "elective",
      "planned_start": "2026-05-27T08:00:00Z",
      "planned_minutes": 51,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 8,
    "fields": {
      "session": 61,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-6663819",
      "urgency": "elective",
      "planned_start": "2026-06-01T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T08:10:23Z",
      "duration_ratio": "0.81",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 9,
    "fields": {
      "session": 12,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 1,
      "patient_ref": "PT-3380670",
      "urgency": "elective",
      "planned_start": "2026-05-06T08:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T08:11:59Z",
      "duration_ratio": "0.99",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 10,
    "fields": {
      "session": 89,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-6803706",
      "urgency": "elective",
      "planned_start": "2026-06-01T08:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T08:10:15Z",
      "duration_ratio": "0.87",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 11,
    "fields": {
      "session": 82,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-3350625",
      "urgency": "elective",
      "planned_start": "2026-06-01T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T08:10:14Z",
      "duration_ratio": "0.92",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 12,
    "fields": {
      "session": 18,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-6272256",
      "urgency": "elective",
      "planned_start": "2026-05-05T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T08:01:45Z",
      "duration_ratio": "0.84",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 13,
    "fields": {
      "session": 70,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 2,
      "patient_ref": "PT-0390486",
      "urgency": "elective",
      "planned_start": "2026-06-03T09:45:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T09:48:35Z",
      "duration_ratio": "1.36",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 14,
    "fields": {
      "session": 16,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-7774068",
      "urgency": "elective",
      "planned_start": "2026-05-06T08:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T08:02:02Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 15,
    "fields": {
      "session": 6,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 1,
      "patient_ref": "PT-7326544",
      "urgency": "elective",
      "planned_start": "2026-05-13T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T08:01:00Z",
      "duration_ratio": "0.90",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 16,
    "fields": {
      "session": 47,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-0459694",
      "urgency": "elective",
      "planned_start": "2026-05-11T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T08:01:15Z",
      "duration_ratio": "1.30",
      "actual_minutes": "61"
    }
  },
  {
    "model": "app.cas",
    "pk": 17,
    "fields": {
      "session": 89,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-4442039",
      "urgency": "elective",
      "planned_start": "2026-06-01T09:45:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T09:55:58Z",
      "duration_ratio": "1.22",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 18,
    "fields": {
      "session": 86,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-7602985",
      "urgency": "elective",
      "planned_start": "2026-06-02T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T08:10:48Z",
      "duration_ratio": "0.80",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 19,
    "fields": {
      "session": 43,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-4424031",
      "urgency": "elective",
      "planned_start": "2026-05-20T08:00:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T08:11:24Z",
      "duration_ratio": "1.45",
      "actual_minutes": "74"
    }
  },
  {
    "model": "app.cas",
    "pk": 20,
    "fields": {
      "session": 55,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-6113202",
      "urgency": "elective",
      "planned_start": "2026-05-19T08:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T08:09:57Z",
      "duration_ratio": "1.03",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 21,
    "fields": {
      "session": 8,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-3185788",
      "urgency": "elective",
      "planned_start": "2026-05-04T08:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T08:03:05Z",
      "duration_ratio": "1.04",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 22,
    "fields": {
      "session": 16,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-7127046",
      "urgency": "urgent",
      "planned_start": "2026-05-06T09:45:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T09:50:30Z",
      "duration_ratio": "1.28",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 23,
    "fields": {
      "session": 75,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-3409589",
      "urgency": "urgent",
      "planned_start": "2026-05-19T08:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T08:01:40Z",
      "duration_ratio": "1.14",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 24,
    "fields": {
      "session": 54,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-3784936",
      "urgency": "elective",
      "planned_start": "2026-05-25T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T08:00:33Z",
      "duration_ratio": "1.25",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 25,
    "fields": {
      "session": 87,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-7951857",
      "urgency": "elective",
      "planned_start": "2026-06-02T08:00:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T08:01:24Z",
      "duration_ratio": "0.93",
      "actual_minutes": "48"
    }
  },
  {
    "model": "app.cas",
    "pk": 26,
    "fields": {
      "session": 51,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-8477329",
      "urgency": "elective",
      "planned_start": "2026-05-18T08:00:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T08:03:12Z",
      "duration_ratio": "0.90",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 27,
    "fields": {
      "session": 75,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-3531378",
      "urgency": "elective",
      "planned_start": "2026-05-19T09:45:00Z",
      "planned_minutes": 48,
      "status": "cancelled on the day",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 28,
    "fields": {
      "session": 71,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-8832926",
      "urgency": "elective",
      "planned_start": "2026-06-02T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T08:09:26Z",
      "duration_ratio": "1.33",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 29,
    "fields": {
      "session": 17,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-3144162",
      "urgency": "urgent",
      "planned_start": "2026-05-13T08:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T08:01:55Z",
      "duration_ratio": "1.36",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 30,
    "fields": {
      "session": 89,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-8006046",
      "urgency": "elective",
      "planned_start": "2026-06-01T11:30:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T11:41:29Z",
      "duration_ratio": "1.12",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 31,
    "fields": {
      "session": 49,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-7432860",
      "urgency": "elective",
      "planned_start": "2026-05-19T08:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T08:00:59Z",
      "duration_ratio": "0.88",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 32,
    "fields": {
      "session": 73,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-2130007",
      "urgency": "elective",
      "planned_start": "2026-05-12T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T08:00:54Z",
      "duration_ratio": "0.82",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 33,
    "fields": {
      "session": 51,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-5870194",
      "urgency": "urgent",
      "planned_start": "2026-05-18T09:45:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T09:46:45Z",
      "duration_ratio": "1.23",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 34,
    "fields": {
      "session": 12,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 2,
      "patient_ref": "PT-9264221",
      "urgency": "urgent",
      "planned_start": "2026-05-06T09:45:00Z",
      "planned_minutes": 34,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 35,
    "fields": {
      "session": 35,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-9775998",
      "urgency": "elective",
      "planned_start": "2026-05-11T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T08:08:42Z",
      "duration_ratio": "1.16",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 36,
    "fields": {
      "session": 29,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-7447279",
      "urgency": "elective",
      "planned_start": "2026-05-12T08:00:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T08:01:05Z",
      "duration_ratio": "1.08",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 37,
    "fields": {
      "session": 51,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-8346888",
      "urgency": "elective",
      "planned_start": "2026-05-18T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T11:42:10Z",
      "duration_ratio": "1.43",
      "actual_minutes": "64"
    }
  },
  {
    "model": "app.cas",
    "pk": 38,
    "fields": {
      "session": 48,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-2175377",
      "urgency": "urgent",
      "planned_start": "2026-05-27T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T08:01:54Z",
      "duration_ratio": "1.29",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 39,
    "fields": {
      "session": 9,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-2362279",
      "urgency": "elective",
      "planned_start": "2026-05-11T08:00:00Z",
      "planned_minutes": 42,
      "status": "cancelled on the day",
      "cancel_reason": "surgeon unavailable",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 40,
    "fields": {
      "session": 38,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-0619766",
      "urgency": "elective",
      "planned_start": "2026-05-05T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T08:13:36Z",
      "duration_ratio": "1.23",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 41,
    "fields": {
      "session": 1,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-8418583",
      "urgency": "elective",
      "planned_start": "2026-05-04T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T08:04:58Z",
      "duration_ratio": "1.42",
      "actual_minutes": "65"
    }
  },
  {
    "model": "app.cas",
    "pk": 42,
    "fields": {
      "session": 39,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-4671292",
      "urgency": "elective",
      "planned_start": "2026-05-18T08:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T08:14:46Z",
      "duration_ratio": "0.82",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 43,
    "fields": {
      "session": 18,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-2826240",
      "urgency": "elective",
      "planned_start": "2026-05-05T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T09:47:45Z",
      "duration_ratio": "1.19",
      "actual_minutes": "48"
    }
  },
  {
    "model": "app.cas",
    "pk": 44,
    "fields": {
      "session": 67,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-0629115",
      "urgency": "elective",
      "planned_start": "2026-05-26T08:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T08:01:16Z",
      "duration_ratio": "1.37",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 45,
    "fields": {
      "session": 75,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-0919169",
      "urgency": "elective",
      "planned_start": "2026-05-19T11:30:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T11:30:26Z",
      "duration_ratio": "0.87",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 46,
    "fields": {
      "session": 53,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-1708001",
      "urgency": "elective",
      "planned_start": "2026-05-20T08:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T08:03:08Z",
      "duration_ratio": "0.81",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 47,
    "fields": {
      "session": 27,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-6241161",
      "urgency": "elective",
      "planned_start": "2026-05-12T08:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T08:07:55Z",
      "duration_ratio": "1.23",
      "actual_minutes": "60"
    }
  },
  {
    "model": "app.cas",
    "pk": 48,
    "fields": {
      "session": 33,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 1,
      "patient_ref": "PT-9032351",
      "urgency": "elective",
      "planned_start": "2026-05-20T08:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T08:00:51Z",
      "duration_ratio": "0.91",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 49,
    "fields": {
      "session": 20,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-3284159",
      "urgency": "elective",
      "planned_start": "2026-05-12T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T08:00:54Z",
      "duration_ratio": "0.80",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 50,
    "fields": {
      "session": 5,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-2052594",
      "urgency": "elective",
      "planned_start": "2026-05-04T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T08:12:16Z",
      "duration_ratio": "1.42",
      "actual_minutes": "65"
    }
  },
  {
    "model": "app.cas",
    "pk": 51,
    "fields": {
      "session": 34,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-2736235",
      "urgency": "elective",
      "planned_start": "2026-05-26T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T08:03:29Z",
      "duration_ratio": "1.16",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 52,
    "fields": {
      "session": 89,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-4201087",
      "urgency": "elective",
      "planned_start": "2026-06-01T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T13:29:33Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 53,
    "fields": {
      "session": 66,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-9310233",
      "urgency": "elective",
      "planned_start": "2026-05-27T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T08:10:24Z",
      "duration_ratio": "0.96",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 54,
    "fields": {
      "session": 78,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-1080343",
      "urgency": "elective",
      "planned_start": "2026-05-26T08:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T08:12:36Z",
      "duration_ratio": "0.81",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 55,
    "fields": {
      "session": 48,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-2236361",
      "urgency": "elective",
      "planned_start": "2026-05-27T09:45:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T09:49:00Z",
      "duration_ratio": "1.45",
      "actual_minutes": "67"
    }
  },
  {
    "model": "app.cas",
    "pk": 56,
    "fields": {
      "session": 42,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-7091305",
      "urgency": "elective",
      "planned_start": "2026-05-25T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T08:01:57Z",
      "duration_ratio": "1.05",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 57,
    "fields": {
      "session": 16,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-2887954",
      "urgency": "elective",
      "planned_start": "2026-05-06T11:30:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T11:35:36Z",
      "duration_ratio": "1.03",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 58,
    "fields": {
      "session": 83,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-1164742",
      "urgency": "elective",
      "planned_start": "2026-06-03T08:00:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T08:04:25Z",
      "duration_ratio": "0.90",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 59,
    "fields": {
      "session": 42,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-4802780",
      "urgency": "elective",
      "planned_start": "2026-05-25T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T09:49:30Z",
      "duration_ratio": "0.91",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 60,
    "fields": {
      "session": 42,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-2290024",
      "urgency": "elective",
      "planned_start": "2026-05-25T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T11:42:45Z",
      "duration_ratio": "1.20",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 61,
    "fields": {
      "session": 87,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-2617549",
      "urgency": "elective",
      "planned_start": "2026-06-02T09:45:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T09:46:08Z",
      "duration_ratio": "0.83",
      "actual_minutes": "31"
    }
  },
  {
    "model": "app.cas",
    "pk": 62,
    "fields": {
      "session": 65,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-3495399",
      "urgency": "elective",
      "planned_start": "2026-05-18T08:00:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T08:12:46Z",
      "duration_ratio": "1.36",
      "actual_minutes": "69"
    }
  },
  {
    "model": "app.cas",
    "pk": 63,
    "fields": {
      "session": 56,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4041373",
      "urgency": "elective",
      "planned_start": "2026-05-05T09:45:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T09:51:03Z",
      "duration_ratio": "1.04",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 64,
    "fields": {
      "session": 10,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-3761895",
      "urgency": "elective",
      "planned_start": "2026-05-18T08:00:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T08:08:44Z",
      "duration_ratio": "1.43",
      "actual_minutes": "76"
    }
  },
  {
    "model": "app.cas",
    "pk": 65,
    "fields": {
      "session": 30,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-4488921",
      "urgency": "elective",
      "planned_start": "2026-05-06T08:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T08:07:54Z",
      "duration_ratio": "1.11",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 66,
    "fields": {
      "session": 60,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-9493937",
      "urgency": "urgent",
      "planned_start": "2026-05-25T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T08:06:09Z",
      "duration_ratio": "0.80",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 67,
    "fields": {
      "session": 90,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-4256524",
      "urgency": "elective",
      "planned_start": "2026-06-01T08:00:00Z",
      "planned_minutes": 36,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T08:05:47Z",
      "duration_ratio": "0.82",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 68,
    "fields": {
      "session": 70,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 3,
      "patient_ref": "PT-4892043",
      "urgency": "elective",
      "planned_start": "2026-06-03T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T11:44:28Z",
      "duration_ratio": "1.24",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 69,
    "fields": {
      "session": 52,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-1259802",
      "urgency": "elective",
      "planned_start": "2026-05-18T09:45:00Z",
      "planned_minutes": 39,
      "status": "cancelled before list",
      "cancel_reason": "surgeon unavailable",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 70,
    "fields": {
      "session": 41,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-4991944",
      "urgency": "elective",
      "planned_start": "2026-05-13T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T08:04:33Z",
      "duration_ratio": "0.81",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 71,
    "fields": {
      "session": 24,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-7372086",
      "urgency": "elective",
      "planned_start": "2026-05-05T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T08:09:54Z",
      "duration_ratio": "1.10",
      "actual_minutes": "48"
    }
  },
  {
    "model": "app.cas",
    "pk": 72,
    "fields": {
      "session": 20,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-7341349",
      "urgency": "elective",
      "planned_start": "2026-05-12T09:45:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T09:51:18Z",
      "duration_ratio": "1.16",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 73,
    "fields": {
      "session": 79,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-4834907",
      "urgency": "elective",
      "planned_start": "2026-06-02T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T08:09:08Z",
      "duration_ratio": "0.93",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 74,
    "fields": {
      "session": 44,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-0158461",
      "urgency": "elective",
      "planned_start": "2026-05-20T08:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T08:05:32Z",
      "duration_ratio": "1.41",
      "actual_minutes": "61"
    }
  },
  {
    "model": "app.cas",
    "pk": 75,
    "fields": {
      "session": 57,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-0821539",
      "urgency": "elective",
      "planned_start": "2026-05-26T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T08:06:49Z",
      "duration_ratio": "1.21",
      "actual_minutes": "54"
    }
  },
  {
    "model": "app.cas",
    "pk": 76,
    "fields": {
      "session": 41,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-9168928",
      "urgency": "elective",
      "planned_start": "2026-05-13T09:45:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T09:54:28Z",
      "duration_ratio": "1.43",
      "actual_minutes": "67"
    }
  },
  {
    "model": "app.cas",
    "pk": 77,
    "fields": {
      "session": 42,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-3817303",
      "urgency": "elective",
      "planned_start": "2026-05-25T13:15:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T13:22:44Z",
      "duration_ratio": "0.82",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 78,
    "fields": {
      "session": 69,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-7818345",
      "urgency": "elective",
      "planned_start": "2026-05-25T08:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T08:09:50Z",
      "duration_ratio": "0.87",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 79,
    "fields": {
      "session": 8,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-8339957",
      "urgency": "elective",
      "planned_start": "2026-05-04T09:45:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T09:45:14Z",
      "duration_ratio": "0.81",
      "actual_minutes": "32"
    }
  },
  {
    "model": "app.cas",
    "pk": 80,
    "fields": {
      "session": 61,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-1753177",
      "urgency": "urgent",
      "planned_start": "2026-06-01T09:45:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T09:56:31Z",
      "duration_ratio": "1.22",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 81,
    "fields": {
      "session": 57,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-5034155",
      "urgency": "elective",
      "planned_start": "2026-05-26T09:45:00Z",
      "planned_minutes": 44,
      "status": "cancelled on the day",
      "cancel_reason": "surgeon unavailable",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 82,
    "fields": {
      "session": 19,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 1,
      "patient_ref": "PT-5251850",
      "urgency": "elective",
      "planned_start": "2026-05-13T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T08:01:30Z",
      "duration_ratio": "1.42",
      "actual_minutes": "64"
    }
  },
  {
    "model": "app.cas",
    "pk": 83,
    "fields": {
      "session": 3,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-3477964",
      "urgency": "elective",
      "planned_start": "2026-05-05T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T08:02:21Z",
      "duration_ratio": "1.40",
      "actual_minutes": "62"
    }
  },
  {
    "model": "app.cas",
    "pk": 84,
    "fields": {
      "session": 37,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-1456838",
      "urgency": "elective",
      "planned_start": "2026-05-13T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T08:04:04Z",
      "duration_ratio": "0.82",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 85,
    "fields": {
      "session": 61,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-7074559",
      "urgency": "elective",
      "planned_start": "2026-06-01T11:30:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T11:41:58Z",
      "duration_ratio": "1.29",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 86,
    "fields": {
      "session": 54,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-0093824",
      "urgency": "elective",
      "planned_start": "2026-05-25T09:45:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T09:46:17Z",
      "duration_ratio": "1.34",
      "actual_minutes": "59"
    }
  },
  {
    "model": "app.cas",
    "pk": 87,
    "fields": {
      "session": 57,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-5068544",
      "urgency": "elective",
      "planned_start": "2026-05-26T11:30:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T11:35:39Z",
      "duration_ratio": "0.82",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 88,
    "fields": {
      "session": 6,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 2,
      "patient_ref": "PT-3861265",
      "urgency": "elective",
      "planned_start": "2026-05-13T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T09:56:04Z",
      "duration_ratio": "1.30",
      "actual_minutes": "62"
    }
  },
  {
    "model": "app.cas",
    "pk": 89,
    "fields": {
      "session": 68,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-4555686",
      "urgency": "elective",
      "planned_start": "2026-06-03T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T08:01:11Z",
      "duration_ratio": "1.19",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 90,
    "fields": {
      "session": 63,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-4228038",
      "urgency": "elective",
      "planned_start": "2026-06-03T08:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T08:05:16Z",
      "duration_ratio": "1.43",
      "actual_minutes": "61"
    }
  },
  {
    "model": "app.cas",
    "pk": 91,
    "fields": {
      "session": 45,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-2745674",
      "urgency": "elective",
      "planned_start": "2026-05-20T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T08:03:21Z",
      "duration_ratio": "1.08",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 92,
    "fields": {
      "session": 63,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-9279723",
      "urgency": "urgent",
      "planned_start": "2026-06-03T09:45:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T09:53:21Z",
      "duration_ratio": "0.83",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 93,
    "fields": {
      "session": 12,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 3,
      "patient_ref": "PT-6284106",
      "urgency": "elective",
      "planned_start": "2026-05-06T11:30:00Z",
      "planned_minutes": 38,
      "status": "cancelled before list",
      "cancel_reason": "equipment fault",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 94,
    "fields": {
      "session": 2,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 1,
      "patient_ref": "PT-1151768",
      "urgency": "elective",
      "planned_start": "2026-05-06T08:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T08:11:46Z",
      "duration_ratio": "1.09",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 95,
    "fields": {
      "session": 55,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-9674273",
      "urgency": "elective",
      "planned_start": "2026-05-19T09:45:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T09:45:36Z",
      "duration_ratio": "0.85",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 96,
    "fields": {
      "session": 80,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-2993488",
      "urgency": "elective",
      "planned_start": "2026-05-25T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T08:08:18Z",
      "duration_ratio": "0.90",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 97,
    "fields": {
      "session": 79,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-0838840",
      "urgency": "elective",
      "planned_start": "2026-06-02T09:45:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T09:56:04Z",
      "duration_ratio": "1.05",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 98,
    "fields": {
      "session": 82,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-6371825",
      "urgency": "elective",
      "planned_start": "2026-06-01T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T09:48:56Z",
      "duration_ratio": "1.09",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 99,
    "fields": {
      "session": 22,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 1,
      "patient_ref": "PT-5221040",
      "urgency": "elective",
      "planned_start": "2026-05-27T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T08:01:04Z",
      "duration_ratio": "0.87",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 100,
    "fields": {
      "session": 33,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 2,
      "patient_ref": "PT-4139370",
      "urgency": "urgent",
      "planned_start": "2026-05-20T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T09:49:21Z",
      "duration_ratio": "1.43",
      "actual_minutes": "60"
    }
  },
  {
    "model": "app.cas",
    "pk": 101,
    "fields": {
      "session": 12,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 4,
      "patient_ref": "PT-7303679",
      "urgency": "elective",
      "planned_start": "2026-05-06T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T13:19:56Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 102,
    "fields": {
      "session": 41,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-6227137",
      "urgency": "elective",
      "planned_start": "2026-05-13T11:30:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T11:37:18Z",
      "duration_ratio": "0.84",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 103,
    "fields": {
      "session": 9,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4457315",
      "urgency": "elective",
      "planned_start": "2026-05-11T09:45:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T09:54:10Z",
      "duration_ratio": "1.19",
      "actual_minutes": "62"
    }
  },
  {
    "model": "app.cas",
    "pk": 104,
    "fields": {
      "session": 44,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-5308539",
      "urgency": "urgent",
      "planned_start": "2026-05-20T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T09:49:05Z",
      "duration_ratio": "0.85",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 105,
    "fields": {
      "session": 54,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-1806856",
      "urgency": "elective",
      "planned_start": "2026-05-25T11:30:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T11:35:22Z",
      "duration_ratio": "1.01",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 106,
    "fields": {
      "session": 25,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-0108425",
      "urgency": "urgent",
      "planned_start": "2026-05-18T08:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T08:00:15Z",
      "duration_ratio": "0.84",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 107,
    "fields": {
      "session": 69,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-1161360",
      "urgency": "elective",
      "planned_start": "2026-05-25T09:45:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T09:50:31Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 108,
    "fields": {
      "session": 25,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-2700945",
      "urgency": "elective",
      "planned_start": "2026-05-18T09:45:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T09:58:16Z",
      "duration_ratio": "1.29",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 109,
    "fields": {
      "session": 81,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-9463331",
      "urgency": "urgent",
      "planned_start": "2026-06-01T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T08:09:59Z",
      "duration_ratio": "0.81",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 110,
    "fields": {
      "session": 59,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-1582168",
      "urgency": "elective",
      "planned_start": "2026-05-26T08:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T08:09:51Z",
      "duration_ratio": "0.92",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 111,
    "fields": {
      "session": 35,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-9744509",
      "urgency": "elective",
      "planned_start": "2026-05-11T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T09:56:27Z",
      "duration_ratio": "0.83",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 112,
    "fields": {
      "session": 64,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 1,
      "patient_ref": "PT-8812641",
      "urgency": "elective",
      "planned_start": "2026-05-27T08:00:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T08:08:01Z",
      "duration_ratio": "1.36",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 113,
    "fields": {
      "session": 88,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-5369801",
      "urgency": "elective",
      "planned_start": "2026-06-02T08:00:00Z",
      "planned_minutes": 44,
      "status": "cancelled before list",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 114,
    "fields": {
      "session": 65,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-9704582",
      "urgency": "urgent",
      "planned_start": "2026-05-18T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T09:53:36Z",
      "duration_ratio": "0.81",
      "actual_minutes": "32"
    }
  },
  {
    "model": "app.cas",
    "pk": 115,
    "fields": {
      "session": 18,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-8820042",
      "urgency": "elective",
      "planned_start": "2026-05-05T11:30:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T11:31:48Z",
      "duration_ratio": "0.82",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 116,
    "fields": {
      "session": 56,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-5716727",
      "urgency": "elective",
      "planned_start": "2026-05-05T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T11:36:56Z",
      "duration_ratio": "0.89",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 117,
    "fields": {
      "session": 59,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4414952",
      "urgency": "elective",
      "planned_start": "2026-05-26T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T09:59:51Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 118,
    "fields": {
      "session": 19,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 2,
      "patient_ref": "PT-0950305",
      "urgency": "elective",
      "planned_start": "2026-05-13T09:45:00Z",
      "planned_minutes": 55,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T09:52:36Z",
      "duration_ratio": "1.02",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 119,
    "fields": {
      "session": 69,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-6265598",
      "urgency": "elective",
      "planned_start": "2026-05-25T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T11:40:08Z",
      "duration_ratio": "0.81",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 120,
    "fields": {
      "session": 29,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-6559022",
      "urgency": "elective",
      "planned_start": "2026-05-12T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T09:53:09Z",
      "duration_ratio": "1.06",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 121,
    "fields": {
      "session": 36,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-6859095",
      "urgency": "urgent",
      "planned_start": "2026-05-13T08:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T08:01:07Z",
      "duration_ratio": "0.81",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 122,
    "fields": {
      "session": 22,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 2,
      "patient_ref": "PT-5886620",
      "urgency": "elective",
      "planned_start": "2026-05-27T09:45:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T09:47:24Z",
      "duration_ratio": "0.92",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 123,
    "fields": {
      "session": 19,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 3,
      "patient_ref": "PT-1090532",
      "urgency": "elective",
      "planned_start": "2026-05-13T11:30:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T11:40:49Z",
      "duration_ratio": "1.11",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 124,
    "fields": {
      "session": 78,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-1175037",
      "urgency": "urgent",
      "planned_start": "2026-05-26T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T09:46:39Z",
      "duration_ratio": "1.12",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 125,
    "fields": {
      "session": 43,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-2727292",
      "urgency": "elective",
      "planned_start": "2026-05-20T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T09:52:40Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 126,
    "fields": {
      "session": 80,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-4940009",
      "urgency": "elective",
      "planned_start": "2026-05-25T09:45:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T09:53:40Z",
      "duration_ratio": "1.27",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 127,
    "fields": {
      "session": 62,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-1072047",
      "urgency": "elective",
      "planned_start": "2026-05-27T08:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T08:11:36Z",
      "duration_ratio": "0.80",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 128,
    "fields": {
      "session": 86,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-8970837",
      "urgency": "elective",
      "planned_start": "2026-06-02T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T09:57:43Z",
      "duration_ratio": "1.42",
      "actual_minutes": "61"
    }
  },
  {
    "model": "app.cas",
    "pk": 129,
    "fields": {
      "session": 23,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-7668905",
      "urgency": "elective",
      "planned_start": "2026-05-11T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T08:14:18Z",
      "duration_ratio": "0.89",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 130,
    "fields": {
      "session": 17,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-1107825",
      "urgency": "elective",
      "planned_start": "2026-05-13T09:45:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T09:58:07Z",
      "duration_ratio": "1.01",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 131,
    "fields": {
      "session": 21,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-9257138",
      "urgency": "elective",
      "planned_start": "2026-05-06T08:00:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T08:02:36Z",
      "duration_ratio": "0.88",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 132,
    "fields": {
      "session": 49,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-5208049",
      "urgency": "urgent",
      "planned_start": "2026-05-19T09:45:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T09:59:42Z",
      "duration_ratio": "1.19",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 133,
    "fields": {
      "session": 58,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-5206418",
      "urgency": "elective",
      "planned_start": "2026-05-27T09:45:00Z",
      "planned_minutes": 36,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T09:54:36Z",
      "duration_ratio": "1.29",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 134,
    "fields": {
      "session": 13,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 1,
      "patient_ref": "PT-2944736",
      "urgency": "elective",
      "planned_start": "2026-05-04T08:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T08:00:35Z",
      "duration_ratio": "1.35",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 135,
    "fields": {
      "session": 27,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-7276783",
      "urgency": "elective",
      "planned_start": "2026-05-12T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T09:47:33Z",
      "duration_ratio": "0.86",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 136,
    "fields": {
      "session": 85,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-5239703",
      "urgency": "elective",
      "planned_start": "2026-06-02T08:00:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T08:04:41Z",
      "duration_ratio": "1.13",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 137,
    "fields": {
      "session": 30,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-1457172",
      "urgency": "elective",
      "planned_start": "2026-05-06T09:45:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T09:56:19Z",
      "duration_ratio": "0.82",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 138,
    "fields": {
      "session": 34,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-0160088",
      "urgency": "elective",
      "planned_start": "2026-05-26T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T09:58:17Z",
      "duration_ratio": "0.81",
      "actual_minutes": "32"
    }
  },
  {
    "model": "app.cas",
    "pk": 139,
    "fields": {
      "session": 26,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-4073690",
      "urgency": "elective",
      "planned_start": "2026-05-04T08:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T08:03:20Z",
      "duration_ratio": "0.93",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 140,
    "fields": {
      "session": 5,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-8641853",
      "urgency": "elective",
      "planned_start": "2026-05-04T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T09:52:39Z",
      "duration_ratio": "0.94",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 141,
    "fields": {
      "session": 74,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-2320281",
      "urgency": "elective",
      "planned_start": "2026-05-19T08:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T08:14:21Z",
      "duration_ratio": "0.84",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 142,
    "fields": {
      "session": 87,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-6222881",
      "urgency": "elective",
      "planned_start": "2026-06-02T11:30:00Z",
      "planned_minutes": 46,
      "status": "cancelled on the day",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 143,
    "fields": {
      "session": 27,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-2663365",
      "urgency": "urgent",
      "planned_start": "2026-05-12T11:30:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T11:42:00Z",
      "duration_ratio": "0.93",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 144,
    "fields": {
      "session": 10,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4434069",
      "urgency": "elective",
      "planned_start": "2026-05-18T09:45:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T09:48:10Z",
      "duration_ratio": "0.80",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 145,
    "fields": {
      "session": 28,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4075428",
      "urgency": "elective",
      "planned_start": "2026-05-11T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T09:54:38Z",
      "duration_ratio": "0.80",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 146,
    "fields": {
      "session": 58,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-3904879",
      "urgency": "elective",
      "planned_start": "2026-05-27T11:30:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T11:43:24Z",
      "duration_ratio": "1.35",
      "actual_minutes": "54"
    }
  },
  {
    "model": "app.cas",
    "pk": 147,
    "fields": {
      "session": 32,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-2352990",
      "urgency": "elective",
      "planned_start": "2026-05-25T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T09:59:47Z",
      "duration_ratio": "1.17",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 148,
    "fields": {
      "session": 26,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-0858590",
      "urgency": "elective",
      "planned_start": "2026-05-04T09:45:00Z",
      "planned_minutes": 46,
      "status": "cancelled before list",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 149,
    "fields": {
      "session": 19,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 4,
      "patient_ref": "PT-6914510",
      "urgency": "elective",
      "planned_start": "2026-05-13T13:15:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T13:21:30Z",
      "duration_ratio": "1.17",
      "actual_minutes": "59"
    }
  },
  {
    "model": "app.cas",
    "pk": 150,
    "fields": {
      "session": 45,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-8435082",
      "urgency": "elective",
      "planned_start": "2026-05-20T09:45:00Z",
      "planned_minutes": 45,
      "status": "cancelled on the day",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 151,
    "fields": {
      "session": 4,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-8188850",
      "urgency": "urgent",
      "planned_start": "2026-05-04T08:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T08:01:22Z",
      "duration_ratio": "0.84",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 152,
    "fields": {
      "session": 37,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-2340212",
      "urgency": "elective",
      "planned_start": "2026-05-13T09:45:00Z",
      "planned_minutes": 46,
      "status": "cancelled before list",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 153,
    "fields": {
      "session": 68,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-8209134",
      "urgency": "elective",
      "planned_start": "2026-06-03T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T09:45:46Z",
      "duration_ratio": "0.82",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 154,
    "fields": {
      "session": 63,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-6925735",
      "urgency": "elective",
      "planned_start": "2026-06-03T11:30:00Z",
      "planned_minutes": 46,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 155,
    "fields": {
      "session": 5,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-1919087",
      "urgency": "elective",
      "planned_start": "2026-05-04T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T11:42:09Z",
      "duration_ratio": "0.90",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 156,
    "fields": {
      "session": 33,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 3,
      "patient_ref": "PT-0173456",
      "urgency": "elective",
      "planned_start": "2026-05-20T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T11:44:12Z",
      "duration_ratio": "1.06",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 157,
    "fields": {
      "session": 77,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-4188091",
      "urgency": "elective",
      "planned_start": "2026-05-26T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T08:10:41Z",
      "duration_ratio": "1.24",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 158,
    "fields": {
      "session": 26,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-2440794",
      "urgency": "elective",
      "planned_start": "2026-05-04T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T11:40:01Z",
      "duration_ratio": "1.00",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 159,
    "fields": {
      "session": 68,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-0568487",
      "urgency": "urgent",
      "planned_start": "2026-06-03T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T11:31:34Z",
      "duration_ratio": "1.10",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 160,
    "fields": {
      "session": 37,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-8279302",
      "urgency": "elective",
      "planned_start": "2026-05-13T11:30:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T11:44:03Z",
      "duration_ratio": "0.90",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 161,
    "fields": {
      "session": 39,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-7450670",
      "urgency": "elective",
      "planned_start": "2026-05-18T09:45:00Z",
      "planned_minutes": 37,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 162,
    "fields": {
      "session": 41,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-3776123",
      "urgency": "elective",
      "planned_start": "2026-05-13T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T13:21:19Z",
      "duration_ratio": "0.94",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 163,
    "fields": {
      "session": 64,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 2,
      "patient_ref": "PT-2185215",
      "urgency": "elective",
      "planned_start": "2026-05-27T09:45:00Z",
      "planned_minutes": 45,
      "status": "cancelled on the day",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 164,
    "fields": {
      "session": 56,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-4373317",
      "urgency": "urgent",
      "planned_start": "2026-05-05T13:15:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T13:20:27Z",
      "duration_ratio": "0.93",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 165,
    "fields": {
      "session": 3,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4026253",
      "urgency": "urgent",
      "planned_start": "2026-05-05T09:45:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T09:47:23Z",
      "duration_ratio": "0.89",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 166,
    "fields": {
      "session": 63,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-8929483",
      "urgency": "elective",
      "planned_start": "2026-06-03T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T13:25:17Z",
      "duration_ratio": "1.22",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 167,
    "fields": {
      "session": 55,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-7692110",
      "urgency": "elective",
      "planned_start": "2026-05-19T11:30:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T11:38:40Z",
      "duration_ratio": "1.10",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 168,
    "fields": {
      "session": 81,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-4773465",
      "urgency": "elective",
      "planned_start": "2026-06-01T09:45:00Z",
      "planned_minutes": 39,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 169,
    "fields": {
      "session": 1,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-5630343",
      "urgency": "elective",
      "planned_start": "2026-05-04T09:45:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T09:59:35Z",
      "duration_ratio": "0.95",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 170,
    "fields": {
      "session": 68,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-8822416",
      "urgency": "elective",
      "planned_start": "2026-06-03T13:15:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T13:26:20Z",
      "duration_ratio": "0.90",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 171,
    "fields": {
      "session": 21,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-4468093",
      "urgency": "elective",
      "planned_start": "2026-05-06T09:45:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T09:50:36Z",
      "duration_ratio": "1.10",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 172,
    "fields": {
      "session": 50,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 1,
      "patient_ref": "PT-2365023",
      "urgency": "elective",
      "planned_start": "2026-06-03T08:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T08:05:13Z",
      "duration_ratio": "0.80",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 173,
    "fields": {
      "session": 76,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-8383915",
      "urgency": "elective",
      "planned_start": "2026-06-03T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T09:54:12Z",
      "duration_ratio": "0.91",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 174,
    "fields": {
      "session": 76,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-1708907",
      "urgency": "elective",
      "planned_start": "2026-06-03T11:30:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T11:40:12Z",
      "duration_ratio": "1.33",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 175,
    "fields": {
      "session": 79,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-4463041",
      "urgency": "elective",
      "planned_start": "2026-06-02T11:30:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T11:36:42Z",
      "duration_ratio": "0.80",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 176,
    "fields": {
      "session": 50,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 2,
      "patient_ref": "PT-9562930",
      "urgency": "elective",
      "planned_start": "2026-06-03T09:45:00Z",
      "planned_minutes": 42,
      "status": "cancelled before list",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 177,
    "fields": {
      "session": 7,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 1,
      "patient_ref": "PT-7008788",
      "urgency": "elective",
      "planned_start": "2026-05-06T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T08:01:17Z",
      "duration_ratio": "1.25",
      "actual_minutes": "59"
    }
  },
  {
    "model": "app.cas",
    "pk": 178,
    "fields": {
      "session": 71,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-4193280",
      "urgency": "elective",
      "planned_start": "2026-06-02T09:45:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T09:49:58Z",
      "duration_ratio": "1.20",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 179,
    "fields": {
      "session": 64,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 3,
      "patient_ref": "PT-0127828",
      "urgency": "elective",
      "planned_start": "2026-05-27T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T11:40:16Z",
      "duration_ratio": "0.88",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 180,
    "fields": {
      "session": 64,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 4,
      "patient_ref": "PT-3879109",
      "urgency": "urgent",
      "planned_start": "2026-05-27T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T13:19:53Z",
      "duration_ratio": "0.93",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 181,
    "fields": {
      "session": 83,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-5941015",
      "urgency": "elective",
      "planned_start": "2026-06-03T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T09:48:09Z",
      "duration_ratio": "0.82",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 182,
    "fields": {
      "session": 44,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-5822432",
      "urgency": "elective",
      "planned_start": "2026-05-20T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T11:43:07Z",
      "duration_ratio": "1.11",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 183,
    "fields": {
      "session": 60,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-5642497",
      "urgency": "urgent",
      "planned_start": "2026-05-25T09:45:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T09:53:33Z",
      "duration_ratio": "0.83",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 184,
    "fields": {
      "session": 66,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-1111845",
      "urgency": "elective",
      "planned_start": "2026-05-27T09:45:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T09:59:47Z",
      "duration_ratio": "1.00",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 185,
    "fields": {
      "session": 11,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-1291254",
      "urgency": "elective",
      "planned_start": "2026-05-12T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T08:09:28Z",
      "duration_ratio": "0.80",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 186,
    "fields": {
      "session": 23,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-8282636",
      "urgency": "elective",
      "planned_start": "2026-05-11T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T09:49:50Z",
      "duration_ratio": "0.83",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 187,
    "fields": {
      "session": 30,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-8752802",
      "urgency": "elective",
      "planned_start": "2026-05-06T11:30:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T11:37:50Z",
      "duration_ratio": "0.86",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 188,
    "fields": {
      "session": 53,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-2882193",
      "urgency": "elective",
      "planned_start": "2026-05-20T09:45:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T09:47:29Z",
      "duration_ratio": "1.01",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 189,
    "fields": {
      "session": 39,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-5828202",
      "urgency": "elective",
      "planned_start": "2026-05-18T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T11:38:52Z",
      "duration_ratio": "0.92",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 190,
    "fields": {
      "session": 66,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-9557828",
      "urgency": "elective",
      "planned_start": "2026-05-27T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T11:32:23Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 191,
    "fields": {
      "session": 85,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-9216075",
      "urgency": "elective",
      "planned_start": "2026-06-02T09:45:00Z",
      "planned_minutes": 36,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T09:55:24Z",
      "duration_ratio": "0.80",
      "actual_minutes": "29"
    }
  },
  {
    "model": "app.cas",
    "pk": 192,
    "fields": {
      "session": 87,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-5170935",
      "urgency": "elective",
      "planned_start": "2026-06-02T13:15:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T13:29:34Z",
      "duration_ratio": "0.99",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 193,
    "fields": {
      "session": 55,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-1456412",
      "urgency": "elective",
      "planned_start": "2026-05-19T13:15:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T13:21:29Z",
      "duration_ratio": "0.84",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 194,
    "fields": {
      "session": 72,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-8029466",
      "urgency": "elective",
      "planned_start": "2026-05-12T08:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T08:13:32Z",
      "duration_ratio": "1.26",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 195,
    "fields": {
      "session": 31,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-5877520",
      "urgency": "elective",
      "planned_start": "2026-05-19T08:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T08:02:45Z",
      "duration_ratio": "0.81",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 196,
    "fields": {
      "session": 88,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-4183374",
      "urgency": "elective",
      "planned_start": "2026-06-02T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T09:52:39Z",
      "duration_ratio": "0.86",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 197,
    "fields": {
      "session": 9,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-0460137",
      "urgency": "elective",
      "planned_start": "2026-05-11T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T11:39:14Z",
      "duration_ratio": "1.39",
      "actual_minutes": "60"
    }
  },
  {
    "model": "app.cas",
    "pk": 198,
    "fields": {
      "session": 47,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-9232249",
      "urgency": "elective",
      "planned_start": "2026-05-11T09:45:00Z",
      "planned_minutes": 44,
      "status": "cancelled on the day",
      "cancel_reason": "equipment fault",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 199,
    "fields": {
      "session": 74,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-9333475",
      "urgency": "urgent",
      "planned_start": "2026-05-19T09:45:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T09:47:36Z",
      "duration_ratio": "1.05",
      "actual_minutes": "48"
    }
  },
  {
    "model": "app.cas",
    "pk": 200,
    "fields": {
      "session": 39,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-5106135",
      "urgency": "elective",
      "planned_start": "2026-05-18T13:15:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T13:19:32Z",
      "duration_ratio": "1.30",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 201,
    "fields": {
      "session": 72,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-1405949",
      "urgency": "elective",
      "planned_start": "2026-05-12T09:45:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T09:59:55Z",
      "duration_ratio": "0.84",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 202,
    "fields": {
      "session": 6,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 3,
      "patient_ref": "PT-6766009",
      "urgency": "elective",
      "planned_start": "2026-05-13T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T11:34:24Z",
      "duration_ratio": "0.81",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 203,
    "fields": {
      "session": 57,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-6739640",
      "urgency": "elective",
      "planned_start": "2026-05-26T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T13:17:15Z",
      "duration_ratio": "0.82",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 204,
    "fields": {
      "session": 30,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-3392495",
      "urgency": "urgent",
      "planned_start": "2026-05-06T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T13:18:42Z",
      "duration_ratio": "0.89",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 205,
    "fields": {
      "session": 50,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 3,
      "patient_ref": "PT-1509393",
      "urgency": "elective",
      "planned_start": "2026-06-03T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T11:32:25Z",
      "duration_ratio": "0.81",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 206,
    "fields": {
      "session": 46,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-9914258",
      "urgency": "elective",
      "planned_start": "2026-05-11T08:00:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T08:07:25Z",
      "duration_ratio": "1.23",
      "actual_minutes": "65"
    }
  },
  {
    "model": "app.cas",
    "pk": 207,
    "fields": {
      "session": 35,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-2172119",
      "urgency": "elective",
      "planned_start": "2026-05-11T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T11:43:45Z",
      "duration_ratio": "1.07",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 208,
    "fields": {
      "session": 58,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-4565414",
      "urgency": "elective",
      "planned_start": "2026-05-27T13:15:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T13:27:09Z",
      "duration_ratio": "0.83",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 209,
    "fields": {
      "session": 59,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-9387773",
      "urgency": "elective",
      "planned_start": "2026-05-26T11:30:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T11:30:21Z",
      "duration_ratio": "0.86",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 210,
    "fields": {
      "session": 43,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-6965870",
      "urgency": "elective",
      "planned_start": "2026-05-20T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T11:41:29Z",
      "duration_ratio": "1.00",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 211,
    "fields": {
      "session": 47,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-1520209",
      "urgency": "elective",
      "planned_start": "2026-05-11T11:30:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T11:33:54Z",
      "duration_ratio": "0.80",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 212,
    "fields": {
      "session": 47,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-3848838",
      "urgency": "elective",
      "planned_start": "2026-05-11T13:15:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T13:15:28Z",
      "duration_ratio": "1.16",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 213,
    "fields": {
      "session": 71,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-2675439",
      "urgency": "elective",
      "planned_start": "2026-06-02T11:30:00Z",
      "planned_minutes": 44,
      "status": "cancelled on the day",
      "cancel_reason": "surgeon unavailable",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 214,
    "fields": {
      "session": 34,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-4886405",
      "urgency": "elective",
      "planned_start": "2026-05-26T11:30:00Z",
      "planned_minutes": 34,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T11:40:28Z",
      "duration_ratio": "0.81",
      "actual_minutes": "28"
    }
  },
  {
    "model": "app.cas",
    "pk": 215,
    "fields": {
      "session": 83,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-6920325",
      "urgency": "elective",
      "planned_start": "2026-06-03T11:30:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T11:38:43Z",
      "duration_ratio": "1.40",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 216,
    "fields": {
      "session": 68,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-2335031",
      "urgency": "elective",
      "planned_start": "2026-06-03T15:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T15:14:53Z",
      "duration_ratio": "0.95",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 217,
    "fields": {
      "session": 74,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-4897940",
      "urgency": "elective",
      "planned_start": "2026-05-19T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T11:31:56Z",
      "duration_ratio": "1.05",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 218,
    "fields": {
      "session": 41,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-0249621",
      "urgency": "elective",
      "planned_start": "2026-05-13T15:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T15:08:48Z",
      "duration_ratio": "0.88",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 219,
    "fields": {
      "session": 67,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-9921972",
      "urgency": "urgent",
      "planned_start": "2026-05-26T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T09:49:39Z",
      "duration_ratio": "0.96",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 220,
    "fields": {
      "session": 37,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-1839458",
      "urgency": "elective",
      "planned_start": "2026-05-13T13:15:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T13:25:19Z",
      "duration_ratio": "1.21",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 221,
    "fields": {
      "session": 61,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-6279184",
      "urgency": "elective",
      "planned_start": "2026-06-01T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T13:18:42Z",
      "duration_ratio": "1.33",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 222,
    "fields": {
      "session": 6,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 4,
      "patient_ref": "PT-8940109",
      "urgency": "urgent",
      "planned_start": "2026-05-13T13:15:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T13:18:49Z",
      "duration_ratio": "0.88",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 223,
    "fields": {
      "session": 84,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 1,
      "patient_ref": "PT-4824502",
      "urgency": "urgent",
      "planned_start": "2026-06-01T08:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T08:13:55Z",
      "duration_ratio": "1.10",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 224,
    "fields": {
      "session": 22,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 3,
      "patient_ref": "PT-0018485",
      "urgency": "elective",
      "planned_start": "2026-05-27T11:30:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T11:39:27Z",
      "duration_ratio": "0.83",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 225,
    "fields": {
      "session": 30,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-1108748",
      "urgency": "elective",
      "planned_start": "2026-05-06T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T15:12:59Z",
      "duration_ratio": "0.94",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 226,
    "fields": {
      "session": 17,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-7053844",
      "urgency": "elective",
      "planned_start": "2026-05-13T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T11:42:11Z",
      "duration_ratio": "0.81",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 227,
    "fields": {
      "session": 86,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-0567556",
      "urgency": "elective",
      "planned_start": "2026-06-02T11:30:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T11:34:09Z",
      "duration_ratio": "0.98",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 228,
    "fields": {
      "session": 14,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 1,
      "patient_ref": "PT-0114754",
      "urgency": "elective",
      "planned_start": "2026-05-20T08:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T08:04:58Z",
      "duration_ratio": "0.81",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 229,
    "fields": {
      "session": 2,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 2,
      "patient_ref": "PT-3282473",
      "urgency": "elective",
      "planned_start": "2026-05-06T09:45:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T09:50:30Z",
      "duration_ratio": "0.87",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 230,
    "fields": {
      "session": 38,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-8583609",
      "urgency": "elective",
      "planned_start": "2026-05-05T09:45:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T09:47:42Z",
      "duration_ratio": "1.30",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 231,
    "fields": {
      "session": 8,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-5460557",
      "urgency": "elective",
      "planned_start": "2026-05-04T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T11:41:48Z",
      "duration_ratio": "0.88",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 232,
    "fields": {
      "session": 72,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-8973100",
      "urgency": "urgent",
      "planned_start": "2026-05-12T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T11:30:05Z",
      "duration_ratio": "0.90",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 233,
    "fields": {
      "session": 13,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 2,
      "patient_ref": "PT-0439559",
      "urgency": "elective",
      "planned_start": "2026-05-04T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T09:51:38Z",
      "duration_ratio": "1.09",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 234,
    "fields": {
      "session": 15,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-0056552",
      "urgency": "urgent",
      "planned_start": "2026-05-05T08:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T08:02:14Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 235,
    "fields": {
      "session": 52,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-1325867",
      "urgency": "elective",
      "planned_start": "2026-05-18T11:30:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T11:43:57Z",
      "duration_ratio": "0.81",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 236,
    "fields": {
      "session": 13,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-7840352",
      "urgency": "elective",
      "planned_start": "2026-05-04T11:30:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T11:44:08Z",
      "duration_ratio": "0.92",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 237,
    "fields": {
      "session": 65,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-0003444",
      "urgency": "elective",
      "planned_start": "2026-05-18T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T11:30:38Z",
      "duration_ratio": "0.82",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 238,
    "fields": {
      "session": 78,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-8995716",
      "urgency": "elective",
      "planned_start": "2026-05-26T11:30:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T11:33:24Z",
      "duration_ratio": "1.12",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 239,
    "fields": {
      "session": 42,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-8423857",
      "urgency": "elective",
      "planned_start": "2026-05-25T15:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T15:03:29Z",
      "duration_ratio": "1.29",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 240,
    "fields": {
      "session": 35,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-9294934",
      "urgency": "elective",
      "planned_start": "2026-05-11T13:15:00Z",
      "planned_minutes": 35,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T13:29:56Z",
      "duration_ratio": "0.82",
      "actual_minutes": "29"
    }
  },
  {
    "model": "app.cas",
    "pk": 241,
    "fields": {
      "session": 70,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 4,
      "patient_ref": "PT-9300344",
      "urgency": "elective",
      "planned_start": "2026-06-03T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T13:17:19Z",
      "duration_ratio": "1.23",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 242,
    "fields": {
      "session": 78,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-4164562",
      "urgency": "elective",
      "planned_start": "2026-05-26T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T13:28:21Z",
      "duration_ratio": "1.02",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 243,
    "fields": {
      "session": 25,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-6398103",
      "urgency": "elective",
      "planned_start": "2026-05-18T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T11:40:35Z",
      "duration_ratio": "0.87",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 244,
    "fields": {
      "session": 45,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-0153557",
      "urgency": "elective",
      "planned_start": "2026-05-20T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T11:35:27Z",
      "duration_ratio": "0.90",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 245,
    "fields": {
      "session": 72,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-3436751",
      "urgency": "elective",
      "planned_start": "2026-05-12T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T13:20:14Z",
      "duration_ratio": "0.85",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 246,
    "fields": {
      "session": 23,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-0943844",
      "urgency": "elective",
      "planned_start": "2026-05-11T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T11:40:07Z",
      "duration_ratio": "1.44",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 247,
    "fields": {
      "session": 34,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-1469746",
      "urgency": "elective",
      "planned_start": "2026-05-26T13:15:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T13:28:33Z",
      "duration_ratio": "0.97",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 248,
    "fields": {
      "session": 82,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-7740599",
      "urgency": "elective",
      "planned_start": "2026-06-01T11:30:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T11:31:19Z",
      "duration_ratio": "0.91",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 249,
    "fields": {
      "session": 23,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-1479253",
      "urgency": "elective",
      "planned_start": "2026-05-11T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T13:18:12Z",
      "duration_ratio": "1.34",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 250,
    "fields": {
      "session": 61,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-5573193",
      "urgency": "elective",
      "planned_start": "2026-06-01T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T15:10:30Z",
      "duration_ratio": "0.82",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 251,
    "fields": {
      "session": 70,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 5,
      "patient_ref": "PT-6542788",
      "urgency": "urgent",
      "planned_start": "2026-06-03T15:00:00Z",
      "planned_minutes": 48,
      "status": "cancelled on the day",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 252,
    "fields": {
      "session": 20,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-7393504",
      "urgency": "elective",
      "planned_start": "2026-05-12T11:30:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T11:35:52Z",
      "duration_ratio": "0.80",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 253,
    "fields": {
      "session": 46,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-8006878",
      "urgency": "elective",
      "planned_start": "2026-05-11T09:45:00Z",
      "planned_minutes": 52,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 254,
    "fields": {
      "session": 4,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-0482349",
      "urgency": "elective",
      "planned_start": "2026-05-04T09:45:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T09:58:23Z",
      "duration_ratio": "0.81",
      "actual_minutes": "32"
    }
  },
  {
    "model": "app.cas",
    "pk": 255,
    "fields": {
      "session": 50,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 4,
      "patient_ref": "PT-0355199",
      "urgency": "urgent",
      "planned_start": "2026-06-03T13:15:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T13:26:55Z",
      "duration_ratio": "0.81",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 256,
    "fields": {
      "session": 39,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-0829498",
      "urgency": "elective",
      "planned_start": "2026-05-18T15:00:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T15:06:53Z",
      "duration_ratio": "1.18",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 257,
    "fields": {
      "session": 13,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-8272239",
      "urgency": "elective",
      "planned_start": "2026-05-04T13:15:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T13:25:18Z",
      "duration_ratio": "0.89",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 258,
    "fields": {
      "session": 51,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-1218425",
      "urgency": "elective",
      "planned_start": "2026-05-18T13:15:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T13:18:51Z",
      "duration_ratio": "1.03",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 259,
    "fields": {
      "session": 54,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-5223681",
      "urgency": "elective",
      "planned_start": "2026-05-25T13:15:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T13:20:20Z",
      "duration_ratio": "1.37",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 260,
    "fields": {
      "session": 86,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-6823065",
      "urgency": "elective",
      "planned_start": "2026-06-02T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T13:29:53Z",
      "duration_ratio": "1.17",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 261,
    "fields": {
      "session": 81,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-2839560",
      "urgency": "elective",
      "planned_start": "2026-06-01T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T11:34:41Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 262,
    "fields": {
      "session": 49,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-0767344",
      "urgency": "elective",
      "planned_start": "2026-05-19T11:30:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T11:38:29Z",
      "duration_ratio": "1.07",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 263,
    "fields": {
      "session": 90,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-7599838",
      "urgency": "elective",
      "planned_start": "2026-06-01T09:45:00Z",
      "planned_minutes": 36,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T09:46:21Z",
      "duration_ratio": "0.80",
      "actual_minutes": "29"
    }
  },
  {
    "model": "app.cas",
    "pk": 264,
    "fields": {
      "session": 5,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-0355397",
      "urgency": "urgent",
      "planned_start": "2026-05-04T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T13:17:27Z",
      "duration_ratio": "1.20",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 265,
    "fields": {
      "session": 8,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-9929553",
      "urgency": "elective",
      "planned_start": "2026-05-04T13:15:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T13:21:38Z",
      "duration_ratio": "0.98",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 266,
    "fields": {
      "session": 10,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-3254649",
      "urgency": "elective",
      "planned_start": "2026-05-18T11:30:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T11:44:24Z",
      "duration_ratio": "1.03",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 267,
    "fields": {
      "session": 85,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-4372217",
      "urgency": "urgent",
      "planned_start": "2026-06-02T11:30:00Z",
      "planned_minutes": 43,
      "status": "cancelled on the day",
      "cancel_reason": "surgeon unavailable",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 268,
    "fields": {
      "session": 76,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-9020755",
      "urgency": "elective",
      "planned_start": "2026-06-03T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T13:28:06Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 269,
    "fields": {
      "session": 80,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-7933131",
      "urgency": "elective",
      "planned_start": "2026-05-25T11:30:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T11:36:15Z",
      "duration_ratio": "0.92",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 270,
    "fields": {
      "session": 43,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-3562667",
      "urgency": "elective",
      "planned_start": "2026-05-20T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T13:15:03Z",
      "duration_ratio": "0.90",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 271,
    "fields": {
      "session": 89,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-6745303",
      "urgency": "elective",
      "planned_start": "2026-06-01T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T15:13:38Z",
      "duration_ratio": "1.03",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 272,
    "fields": {
      "session": 60,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 3,
      "patient_ref": "PT-5568200",
      "urgency": "elective",
      "planned_start": "2026-05-25T11:30:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T11:33:29Z",
      "duration_ratio": "0.89",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 273,
    "fields": {
      "session": 28,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-1403992",
      "urgency": "elective",
      "planned_start": "2026-05-11T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T11:32:58Z",
      "duration_ratio": "1.45",
      "actual_minutes": "65"
    }
  },
  {
    "model": "app.cas",
    "pk": 274,
    "fields": {
      "session": 15,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-3146426",
      "urgency": "elective",
      "planned_start": "2026-05-05T09:45:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T09:53:25Z",
      "duration_ratio": "0.83",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 275,
    "fields": {
      "session": 59,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-4819106",
      "urgency": "elective",
      "planned_start": "2026-05-26T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T13:17:03Z",
      "duration_ratio": "0.81",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 276,
    "fields": {
      "session": 2,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 3,
      "patient_ref": "PT-8676304",
      "urgency": "elective",
      "planned_start": "2026-05-06T11:30:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T11:42:04Z",
      "duration_ratio": "0.91",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 277,
    "fields": {
      "session": 2,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 4,
      "patient_ref": "PT-2650842",
      "urgency": "elective",
      "planned_start": "2026-05-06T13:15:00Z",
      "planned_minutes": 42,
      "status": "cancelled on the day",
      "cancel_reason": "equipment fault",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 278,
    "fields": {
      "session": 24,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-0138602",
      "urgency": "elective",
      "planned_start": "2026-05-05T09:45:00Z",
      "planned_minutes": 39,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 279,
    "fields": {
      "session": 45,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-2068173",
      "urgency": "urgent",
      "planned_start": "2026-05-20T13:15:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T13:29:11Z",
      "duration_ratio": "1.18",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 280,
    "fields": {
      "session": 60,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-2978860",
      "urgency": "elective",
      "planned_start": "2026-05-25T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T13:26:52Z",
      "duration_ratio": "0.93",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 281,
    "fields": {
      "session": 10,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-3165411",
      "urgency": "elective",
      "planned_start": "2026-05-18T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T13:19:08Z",
      "duration_ratio": "1.09",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 282,
    "fields": {
      "session": 62,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-2872532",
      "urgency": "elective",
      "planned_start": "2026-05-27T09:45:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T09:55:57Z",
      "duration_ratio": "0.80",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 283,
    "fields": {
      "session": 26,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-8980887",
      "urgency": "urgent",
      "planned_start": "2026-05-04T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T13:27:56Z",
      "duration_ratio": "1.42",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 284,
    "fields": {
      "session": 31,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-4821229",
      "urgency": "elective",
      "planned_start": "2026-05-19T09:45:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T09:49:30Z",
      "duration_ratio": "1.30",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 285,
    "fields": {
      "session": 16,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-5365487",
      "urgency": "elective",
      "planned_start": "2026-05-06T13:15:00Z",
      "planned_minutes": 46,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 286,
    "fields": {
      "session": 88,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-0873148",
      "urgency": "elective",
      "planned_start": "2026-06-02T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T11:41:20Z",
      "duration_ratio": "0.87",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 287,
    "fields": {
      "session": 52,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-6190439",
      "urgency": "elective",
      "planned_start": "2026-05-18T13:15:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T13:19:07Z",
      "duration_ratio": "0.98",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 288,
    "fields": {
      "session": 73,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-4974307",
      "urgency": "elective",
      "planned_start": "2026-05-12T09:45:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T09:58:03Z",
      "duration_ratio": "1.43",
      "actual_minutes": "57"
    }
  },
  {
    "model": "app.cas",
    "pk": 289,
    "fields": {
      "session": 69,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-8246900",
      "urgency": "elective",
      "planned_start": "2026-05-25T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T13:28:06Z",
      "duration_ratio": "0.84",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 290,
    "fields": {
      "session": 77,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-4896980",
      "urgency": "elective",
      "planned_start": "2026-05-26T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T09:49:24Z",
      "duration_ratio": "0.81",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 291,
    "fields": {
      "session": 26,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-6949320",
      "urgency": "elective",
      "planned_start": "2026-05-04T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T15:14:48Z",
      "duration_ratio": "1.10",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 292,
    "fields": {
      "session": 47,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-1346974",
      "urgency": "elective",
      "planned_start": "2026-05-11T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T15:13:59Z",
      "duration_ratio": "1.00",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 293,
    "fields": {
      "session": 84,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-6125405",
      "urgency": "elective",
      "planned_start": "2026-06-01T09:45:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T09:49:14Z",
      "duration_ratio": "1.14",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 294,
    "fields": {
      "session": 82,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-9829236",
      "urgency": "elective",
      "planned_start": "2026-06-01T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T13:18:45Z",
      "duration_ratio": "1.04",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 295,
    "fields": {
      "session": 38,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-0536618",
      "urgency": "elective",
      "planned_start": "2026-05-05T11:30:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T11:37:55Z",
      "duration_ratio": "0.81",
      "actual_minutes": "32"
    }
  },
  {
    "model": "app.cas",
    "pk": 296,
    "fields": {
      "session": 24,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-2456299",
      "urgency": "elective",
      "planned_start": "2026-05-05T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T11:42:56Z",
      "duration_ratio": "0.90",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 297,
    "fields": {
      "session": 73,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-9513963",
      "urgency": "elective",
      "planned_start": "2026-05-12T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T11:43:35Z",
      "duration_ratio": "1.22",
      "actual_minutes": "52"
    }
  },
  {
    "model": "app.cas",
    "pk": 298,
    "fields": {
      "session": 90,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-3526093",
      "urgency": "elective",
      "planned_start": "2026-06-01T11:30:00Z",
      "planned_minutes": 43,
      "status": "cancelled on the day",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 299,
    "fields": {
      "session": 11,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 2,
      "patient_ref": "PT-9133769",
      "urgency": "urgent",
      "planned_start": "2026-05-12T09:45:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T09:49:55Z",
      "duration_ratio": "0.82",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 300,
    "fields": {
      "session": 66,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-0743249",
      "urgency": "elective",
      "planned_start": "2026-05-27T13:15:00Z",
      "planned_minutes": 46,
      "status": "cancelled on the day",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 301,
    "fields": {
      "session": 46,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-5394387",
      "urgency": "elective",
      "planned_start": "2026-05-11T11:30:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T11:34:18Z",
      "duration_ratio": "1.43",
      "actual_minutes": "69"
    }
  },
  {
    "model": "app.cas",
    "pk": 302,
    "fields": {
      "session": 14,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 2,
      "patient_ref": "PT-0772913",
      "urgency": "urgent",
      "planned_start": "2026-05-20T09:45:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T09:58:26Z",
      "duration_ratio": "0.83",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 303,
    "fields": {
      "session": 77,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-7778526",
      "urgency": "elective",
      "planned_start": "2026-05-26T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T11:39:44Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 304,
    "fields": {
      "session": 55,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-6223557",
      "urgency": "elective",
      "planned_start": "2026-05-19T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T15:07:37Z",
      "duration_ratio": "1.21",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 305,
    "fields": {
      "session": 77,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-9159838",
      "urgency": "elective",
      "planned_start": "2026-05-26T13:15:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T13:26:46Z",
      "duration_ratio": "0.87",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 306,
    "fields": {
      "session": 49,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-1831851",
      "urgency": "elective",
      "planned_start": "2026-05-19T13:15:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T13:16:47Z",
      "duration_ratio": "0.84",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 307,
    "fields": {
      "session": 28,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-6631175",
      "urgency": "elective",
      "planned_start": "2026-05-11T13:15:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T13:25:58Z",
      "duration_ratio": "1.05",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 308,
    "fields": {
      "session": 53,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-8465916",
      "urgency": "elective",
      "planned_start": "2026-05-20T11:30:00Z",
      "planned_minutes": 48,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 309,
    "fields": {
      "session": 1,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-5703681",
      "urgency": "elective",
      "planned_start": "2026-05-04T11:30:00Z",
      "planned_minutes": 41,
      "status": "cancelled on the day",
      "cancel_reason": "surgeon unavailable",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 310,
    "fields": {
      "session": 40,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 1,
      "patient_ref": "PT-0973830",
      "urgency": "elective",
      "planned_start": "2026-05-19T08:00:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T08:10:17Z",
      "duration_ratio": "1.10",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 311,
    "fields": {
      "session": 14,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 3,
      "patient_ref": "PT-7142614",
      "urgency": "elective",
      "planned_start": "2026-05-20T11:30:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T11:42:40Z",
      "duration_ratio": "1.29",
      "actual_minutes": "66"
    }
  },
  {
    "model": "app.cas",
    "pk": 312,
    "fields": {
      "session": 24,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-3063817",
      "urgency": "elective",
      "planned_start": "2026-05-05T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T13:18:51Z",
      "duration_ratio": "1.34",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 313,
    "fields": {
      "session": 44,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-8295005",
      "urgency": "elective",
      "planned_start": "2026-05-20T13:15:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T13:18:27Z",
      "duration_ratio": "1.32",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 314,
    "fields": {
      "session": 48,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-2561544",
      "urgency": "elective",
      "planned_start": "2026-05-27T11:30:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T11:36:56Z",
      "duration_ratio": "1.28",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 315,
    "fields": {
      "session": 12,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 5,
      "patient_ref": "PT-2463496",
      "urgency": "urgent",
      "planned_start": "2026-05-06T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T15:05:34Z",
      "duration_ratio": "0.87",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 316,
    "fields": {
      "session": 40,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-1594411",
      "urgency": "elective",
      "planned_start": "2026-05-19T09:45:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T09:50:44Z",
      "duration_ratio": "0.86",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 317,
    "fields": {
      "session": 6,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 5,
      "patient_ref": "PT-9095914",
      "urgency": "elective",
      "planned_start": "2026-05-13T15:00:00Z",
      "planned_minutes": 48,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 318,
    "fields": {
      "session": 64,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 5,
      "patient_ref": "PT-2171200",
      "urgency": "elective",
      "planned_start": "2026-05-27T15:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T15:11:16Z",
      "duration_ratio": "1.25",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 319,
    "fields": {
      "session": 85,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-7676506",
      "urgency": "elective",
      "planned_start": "2026-06-02T13:15:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T13:22:44Z",
      "duration_ratio": "1.38",
      "actual_minutes": "65"
    }
  },
  {
    "model": "app.cas",
    "pk": 320,
    "fields": {
      "session": 35,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-6993924",
      "urgency": "elective",
      "planned_start": "2026-05-11T15:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T15:02:56Z",
      "duration_ratio": "0.81",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 321,
    "fields": {
      "session": 13,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-4351988",
      "urgency": "elective",
      "planned_start": "2026-05-04T15:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T15:10:39Z",
      "duration_ratio": "1.12",
      "actual_minutes": "46"
    }
  },
  {
    "model": "app.cas",
    "pk": 322,
    "fields": {
      "session": 75,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-7397607",
      "urgency": "urgent",
      "planned_start": "2026-05-19T13:15:00Z",
      "planned_minutes": 54,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T13:23:25Z",
      "duration_ratio": "1.04",
      "actual_minutes": "56"
    }
  },
  {
    "model": "app.cas",
    "pk": 323,
    "fields": {
      "session": 40,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-7650415",
      "urgency": "elective",
      "planned_start": "2026-05-19T11:30:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T11:38:07Z",
      "duration_ratio": "0.99",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 324,
    "fields": {
      "session": 88,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-5766897",
      "urgency": "elective",
      "planned_start": "2026-06-02T13:15:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T13:25:15Z",
      "duration_ratio": "0.82",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 325,
    "fields": {
      "session": 83,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-3728994",
      "urgency": "elective",
      "planned_start": "2026-06-03T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T13:25:19Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 326,
    "fields": {
      "session": 17,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-7328460",
      "urgency": "elective",
      "planned_start": "2026-05-13T13:15:00Z",
      "planned_minutes": 44,
      "status": "cancelled before list",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 327,
    "fields": {
      "session": 36,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 2,
      "patient_ref": "PT-5710633",
      "urgency": "urgent",
      "planned_start": "2026-05-13T09:45:00Z",
      "planned_minutes": 36,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 328,
    "fields": {
      "session": 33,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 4,
      "patient_ref": "PT-0077878",
      "urgency": "elective",
      "planned_start": "2026-05-20T13:15:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T13:25:29Z",
      "duration_ratio": "1.23",
      "actual_minutes": "59"
    }
  },
  {
    "model": "app.cas",
    "pk": 329,
    "fields": {
      "session": 27,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-9736726",
      "urgency": "elective",
      "planned_start": "2026-05-12T13:15:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T13:23:26Z",
      "duration_ratio": "1.25",
      "actual_minutes": "59"
    }
  },
  {
    "model": "app.cas",
    "pk": 330,
    "fields": {
      "session": 66,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-0675154",
      "urgency": "elective",
      "planned_start": "2026-05-27T15:00:00Z",
      "planned_minutes": 41,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 331,
    "fields": {
      "session": 7,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 2,
      "patient_ref": "PT-5342575",
      "urgency": "elective",
      "planned_start": "2026-05-06T09:45:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T09:54:26Z",
      "duration_ratio": "0.95",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 332,
    "fields": {
      "session": 84,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-4613278",
      "urgency": "elective",
      "planned_start": "2026-06-01T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T11:43:23Z",
      "duration_ratio": "0.81",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 333,
    "fields": {
      "session": 85,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-7882578",
      "urgency": "elective",
      "planned_start": "2026-06-02T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T15:10:39Z",
      "duration_ratio": "0.90",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 334,
    "fields": {
      "session": 74,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-6731880",
      "urgency": "elective",
      "planned_start": "2026-05-19T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T13:21:01Z",
      "duration_ratio": "0.91",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 335,
    "fields": {
      "session": 90,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-7346130",
      "urgency": "urgent",
      "planned_start": "2026-06-01T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T13:23:23Z",
      "duration_ratio": "0.99",
      "actual_minutes": "43"
    }
  },
  {
    "model": "app.cas",
    "pk": 336,
    "fields": {
      "session": 9,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-6476893",
      "urgency": "elective",
      "planned_start": "2026-05-11T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T13:18:26Z",
      "duration_ratio": "0.82",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 337,
    "fields": {
      "session": 21,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-0913211",
      "urgency": "elective",
      "planned_start": "2026-05-06T11:30:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T11:40:30Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 338,
    "fields": {
      "session": 80,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-3232219",
      "urgency": "elective",
      "planned_start": "2026-05-25T13:15:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T13:19:16Z",
      "duration_ratio": "0.80",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 339,
    "fields": {
      "session": 62,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-5697601",
      "urgency": "elective",
      "planned_start": "2026-05-27T11:30:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T11:39:56Z",
      "duration_ratio": "1.18",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 340,
    "fields": {
      "session": 15,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-5425462",
      "urgency": "elective",
      "planned_start": "2026-05-05T11:30:00Z",
      "planned_minutes": 42,
      "status": "cancelled before list",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 341,
    "fields": {
      "session": 45,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-1881705",
      "urgency": "elective",
      "planned_start": "2026-05-20T15:00:00Z",
      "planned_minutes": 46,
      "status": "cancelled before list",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 342,
    "fields": {
      "session": 87,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-4263081",
      "urgency": "elective",
      "planned_start": "2026-06-02T15:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T15:12:59Z",
      "duration_ratio": "0.88",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 343,
    "fields": {
      "session": 24,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-5128992",
      "urgency": "elective",
      "planned_start": "2026-05-05T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T15:07:12Z",
      "duration_ratio": "0.90",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 344,
    "fields": {
      "session": 59,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-2596060",
      "urgency": "urgent",
      "planned_start": "2026-05-26T15:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T15:13:23Z",
      "duration_ratio": "1.29",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 345,
    "fields": {
      "session": 49,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-2071015",
      "urgency": "elective",
      "planned_start": "2026-05-19T15:00:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T15:13:05Z",
      "duration_ratio": "0.94",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 346,
    "fields": {
      "session": 78,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-3476095",
      "urgency": "elective",
      "planned_start": "2026-05-26T15:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T15:09:11Z",
      "duration_ratio": "1.28",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 347,
    "fields": {
      "session": 22,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 4,
      "patient_ref": "PT-6684963",
      "urgency": "urgent",
      "planned_start": "2026-05-27T13:15:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T13:23:38Z",
      "duration_ratio": "0.99",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 348,
    "fields": {
      "session": 1,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-6147475",
      "urgency": "elective",
      "planned_start": "2026-05-04T13:15:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T13:26:35Z",
      "duration_ratio": "1.32",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 349,
    "fields": {
      "session": 38,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-6317508",
      "urgency": "elective",
      "planned_start": "2026-05-05T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T13:15:28Z",
      "duration_ratio": "0.83",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 350,
    "fields": {
      "session": 25,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-1956036",
      "urgency": "urgent",
      "planned_start": "2026-05-18T13:15:00Z",
      "planned_minutes": 36,
      "status": "cancelled on the day",
      "cancel_reason": "patient did not attend",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 351,
    "fields": {
      "session": 83,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-5859285",
      "urgency": "elective",
      "planned_start": "2026-06-03T15:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T15:05:47Z",
      "duration_ratio": "0.91",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 352,
    "fields": {
      "session": 32,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-8911481",
      "urgency": "elective",
      "planned_start": "2026-05-25T11:30:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T11:37:07Z",
      "duration_ratio": "1.31",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 353,
    "fields": {
      "session": 88,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-7118720",
      "urgency": "elective",
      "planned_start": "2026-06-02T15:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T15:07:02Z",
      "duration_ratio": "1.18",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 354,
    "fields": {
      "session": 77,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-9534617",
      "urgency": "urgent",
      "planned_start": "2026-05-26T15:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T15:02:28Z",
      "duration_ratio": "0.90",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 355,
    "fields": {
      "session": 50,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 5,
      "patient_ref": "PT-1961214",
      "urgency": "elective",
      "planned_start": "2026-06-03T15:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T15:14:12Z",
      "duration_ratio": "0.86",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 356,
    "fields": {
      "session": 80,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-8463180",
      "urgency": "elective",
      "planned_start": "2026-05-25T15:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T15:05:24Z",
      "duration_ratio": "0.83",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 357,
    "fields": {
      "session": 15,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-2916280",
      "urgency": "elective",
      "planned_start": "2026-05-05T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T13:16:27Z",
      "duration_ratio": "1.37",
      "actual_minutes": "63"
    }
  },
  {
    "model": "app.cas",
    "pk": 358,
    "fields": {
      "session": 32,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-0940411",
      "urgency": "elective",
      "planned_start": "2026-05-25T13:15:00Z",
      "planned_minutes": 39,
      "status": "cancelled on the day",
      "cancel_reason": "equipment fault",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 359,
    "fields": {
      "session": 62,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-1571244",
      "urgency": "urgent",
      "planned_start": "2026-05-27T13:15:00Z",
      "planned_minutes": 51,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T13:24:33Z",
      "duration_ratio": "1.33",
      "actual_minutes": "68"
    }
  },
  {
    "model": "app.cas",
    "pk": 360,
    "fields": {
      "session": 57,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-7427163",
      "urgency": "urgent",
      "planned_start": "2026-05-26T15:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T15:11:42Z",
      "duration_ratio": "1.09",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 361,
    "fields": {
      "session": 54,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-5296874",
      "urgency": "elective",
      "planned_start": "2026-05-25T15:00:00Z",
      "planned_minutes": 35,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T15:09:59Z",
      "duration_ratio": "0.81",
      "actual_minutes": "28"
    }
  },
  {
    "model": "app.cas",
    "pk": 362,
    "fields": {
      "session": 7,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-7589207",
      "urgency": "elective",
      "planned_start": "2026-05-06T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T11:35:41Z",
      "duration_ratio": "0.80",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 363,
    "fields": {
      "session": 11,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-2135399",
      "urgency": "elective",
      "planned_start": "2026-05-12T11:30:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T11:38:55Z",
      "duration_ratio": "0.97",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 364,
    "fields": {
      "session": 15,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-8543604",
      "urgency": "elective",
      "planned_start": "2026-05-05T15:00:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T15:14:45Z",
      "duration_ratio": "0.84",
      "actual_minutes": "31"
    }
  },
  {
    "model": "app.cas",
    "pk": 365,
    "fields": {
      "session": 11,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-1587255",
      "urgency": "elective",
      "planned_start": "2026-05-12T13:15:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T13:20:00Z",
      "duration_ratio": "0.80",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 366,
    "fields": {
      "session": 79,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-5660228",
      "urgency": "urgent",
      "planned_start": "2026-06-02T13:15:00Z",
      "planned_minutes": 43,
      "status": "cancelled before list",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 367,
    "fields": {
      "session": 18,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-9052745",
      "urgency": "elective",
      "planned_start": "2026-05-05T13:15:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T13:20:37Z",
      "duration_ratio": "0.88",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 368,
    "fields": {
      "session": 48,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-7329414",
      "urgency": "elective",
      "planned_start": "2026-05-27T13:15:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T13:22:34Z",
      "duration_ratio": "1.38",
      "actual_minutes": "68"
    }
  },
  {
    "model": "app.cas",
    "pk": 369,
    "fields": {
      "session": 11,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-8313679",
      "urgency": "urgent",
      "planned_start": "2026-05-12T15:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T15:09:52Z",
      "duration_ratio": "0.89",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 370,
    "fields": {
      "session": 7,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-9751793",
      "urgency": "elective",
      "planned_start": "2026-05-06T13:15:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T13:17:53Z",
      "duration_ratio": "0.92",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 371,
    "fields": {
      "session": 67,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-7377587",
      "urgency": "urgent",
      "planned_start": "2026-05-26T11:30:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T11:33:05Z",
      "duration_ratio": "1.09",
      "actual_minutes": "48"
    }
  },
  {
    "model": "app.cas",
    "pk": 372,
    "fields": {
      "session": 33,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 5,
      "patient_ref": "PT-3254333",
      "urgency": "elective",
      "planned_start": "2026-05-20T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T15:03:26Z",
      "duration_ratio": "0.88",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 373,
    "fields": {
      "session": 21,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-1722236",
      "urgency": "elective",
      "planned_start": "2026-05-06T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T13:27:17Z",
      "duration_ratio": "1.02",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 374,
    "fields": {
      "session": 5,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-8800634",
      "urgency": "elective",
      "planned_start": "2026-05-04T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T15:09:46Z",
      "duration_ratio": "0.82",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 375,
    "fields": {
      "session": 84,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-4555354",
      "urgency": "elective",
      "planned_start": "2026-06-01T13:15:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T13:21:54Z",
      "duration_ratio": "0.91",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 376,
    "fields": {
      "session": 36,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 3,
      "patient_ref": "PT-4929042",
      "urgency": "elective",
      "planned_start": "2026-05-13T11:30:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T11:35:10Z",
      "duration_ratio": "1.10",
      "actual_minutes": "54"
    }
  },
  {
    "model": "app.cas",
    "pk": 377,
    "fields": {
      "session": 86,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-5470620",
      "urgency": "elective",
      "planned_start": "2026-06-02T15:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T15:10:33Z",
      "duration_ratio": "0.85",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 378,
    "fields": {
      "session": 67,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-0969342",
      "urgency": "elective",
      "planned_start": "2026-05-26T13:15:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T13:19:49Z",
      "duration_ratio": "1.11",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 379,
    "fields": {
      "session": 31,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-0725736",
      "urgency": "elective",
      "planned_start": "2026-05-19T11:30:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T11:32:43Z",
      "duration_ratio": "1.33",
      "actual_minutes": "60"
    }
  },
  {
    "model": "app.cas",
    "pk": 380,
    "fields": {
      "session": 82,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-2003224",
      "urgency": "elective",
      "planned_start": "2026-06-01T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T15:11:29Z",
      "duration_ratio": "0.81",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 381,
    "fields": {
      "session": 53,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-3707874",
      "urgency": "elective",
      "planned_start": "2026-05-20T13:15:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T13:15:56Z",
      "duration_ratio": "0.92",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 382,
    "fields": {
      "session": 14,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 4,
      "patient_ref": "PT-2113893",
      "urgency": "elective",
      "planned_start": "2026-05-20T13:15:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T13:21:10Z",
      "duration_ratio": "1.38",
      "actual_minutes": "54"
    }
  },
  {
    "model": "app.cas",
    "pk": 383,
    "fields": {
      "session": 65,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-4183570",
      "urgency": "elective",
      "planned_start": "2026-05-18T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T13:25:40Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 384,
    "fields": {
      "session": 4,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-6580863",
      "urgency": "elective",
      "planned_start": "2026-05-04T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T11:32:24Z",
      "duration_ratio": "0.92",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 385,
    "fields": {
      "session": 23,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-8721593",
      "urgency": "elective",
      "planned_start": "2026-05-11T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T15:13:12Z",
      "duration_ratio": "0.83",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 386,
    "fields": {
      "session": 46,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-0433783",
      "urgency": "elective",
      "planned_start": "2026-05-11T13:15:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T13:22:17Z",
      "duration_ratio": "0.94",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 387,
    "fields": {
      "session": 79,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-8429498",
      "urgency": "elective",
      "planned_start": "2026-06-02T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T15:12:14Z",
      "duration_ratio": "0.89",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 388,
    "fields": {
      "session": 46,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-5685752",
      "urgency": "elective",
      "planned_start": "2026-05-11T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T15:01:06Z",
      "duration_ratio": "1.29",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 389,
    "fields": {
      "session": 37,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-3228520",
      "urgency": "elective",
      "planned_start": "2026-05-13T15:00:00Z",
      "planned_minutes": 48,
      "status": "cancelled on the day",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 390,
    "fields": {
      "session": 84,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-7347404",
      "urgency": "elective",
      "planned_start": "2026-06-01T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T15:06:11Z",
      "duration_ratio": "1.39",
      "actual_minutes": "61"
    }
  },
  {
    "model": "app.cas",
    "pk": 391,
    "fields": {
      "session": 76,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-9637498",
      "urgency": "urgent",
      "planned_start": "2026-06-03T15:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T15:02:41Z",
      "duration_ratio": "1.30",
      "actual_minutes": "64"
    }
  },
  {
    "model": "app.cas",
    "pk": 392,
    "fields": {
      "session": 63,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-2542311",
      "urgency": "elective",
      "planned_start": "2026-06-03T15:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-03T15:13:50Z",
      "duration_ratio": "1.03",
      "actual_minutes": "44"
    }
  },
  {
    "model": "app.cas",
    "pk": 393,
    "fields": {
      "session": 31,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-4394302",
      "urgency": "elective",
      "planned_start": "2026-05-19T13:15:00Z",
      "planned_minutes": 53,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T13:17:13Z",
      "duration_ratio": "0.84",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 394,
    "fields": {
      "session": 48,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-1426818",
      "urgency": "elective",
      "planned_start": "2026-05-27T15:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T15:05:47Z",
      "duration_ratio": "1.01",
      "actual_minutes": "40"
    }
  },
  {
    "model": "app.cas",
    "pk": 395,
    "fields": {
      "session": 17,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-4597248",
      "urgency": "elective",
      "planned_start": "2026-05-13T15:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T15:06:06Z",
      "duration_ratio": "1.15",
      "actual_minutes": "54"
    }
  },
  {
    "model": "app.cas",
    "pk": 396,
    "fields": {
      "session": 56,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-6590648",
      "urgency": "urgent",
      "planned_start": "2026-05-05T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T15:01:37Z",
      "duration_ratio": "1.35",
      "actual_minutes": "65"
    }
  },
  {
    "model": "app.cas",
    "pk": 397,
    "fields": {
      "session": 16,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-9018408",
      "urgency": "elective",
      "planned_start": "2026-05-06T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T15:03:59Z",
      "duration_ratio": "1.07",
      "actual_minutes": "47"
    }
  },
  {
    "model": "app.cas",
    "pk": 398,
    "fields": {
      "session": 3,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 3,
      "patient_ref": "PT-9336459",
      "urgency": "urgent",
      "planned_start": "2026-05-05T11:30:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T11:42:36Z",
      "duration_ratio": "1.01",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 399,
    "fields": {
      "session": 29,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 3,
      "patient_ref": "PT-6305824",
      "urgency": "urgent",
      "planned_start": "2026-05-12T11:30:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T11:43:59Z",
      "duration_ratio": "1.25",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 400,
    "fields": {
      "session": 52,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-4565379",
      "urgency": "elective",
      "planned_start": "2026-05-18T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T15:05:10Z",
      "duration_ratio": "0.99",
      "actual_minutes": "48"
    }
  },
  {
    "model": "app.cas",
    "pk": 401,
    "fields": {
      "session": 74,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-7926096",
      "urgency": "elective",
      "planned_start": "2026-05-19T15:00:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T15:11:14Z",
      "duration_ratio": "0.80",
      "actual_minutes": "34"
    }
  },
  {
    "model": "app.cas",
    "pk": 402,
    "fields": {
      "session": 43,
      "theatre_id": 1,
      "surgeon_id": 15,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-3400070",
      "urgency": "elective",
      "planned_start": "2026-05-20T15:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T15:14:06Z",
      "duration_ratio": "0.96",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 403,
    "fields": {
      "session": 25,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-5677642",
      "urgency": "elective",
      "planned_start": "2026-05-18T15:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T15:09:36Z",
      "duration_ratio": "0.99",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 404,
    "fields": {
      "session": 73,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-7343157",
      "urgency": "elective",
      "planned_start": "2026-05-12T13:15:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T13:22:01Z",
      "duration_ratio": "1.22",
      "actual_minutes": "45"
    }
  },
  {
    "model": "app.cas",
    "pk": 405,
    "fields": {
      "session": 14,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 5,
      "patient_ref": "PT-1810541",
      "urgency": "urgent",
      "planned_start": "2026-05-20T15:00:00Z",
      "planned_minutes": 46,
      "status": "cancelled on the day",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 406,
    "fields": {
      "session": 69,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-0418801",
      "urgency": "elective",
      "planned_start": "2026-05-25T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T15:09:55Z",
      "duration_ratio": "0.82",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 407,
    "fields": {
      "session": 81,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 4,
      "patient_ref": "PT-6197174",
      "urgency": "elective",
      "planned_start": "2026-06-01T13:15:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T13:16:18Z",
      "duration_ratio": "0.81",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 408,
    "fields": {
      "session": 44,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-3859538",
      "urgency": "urgent",
      "planned_start": "2026-05-20T15:00:00Z",
      "planned_minutes": 46,
      "status": "cancelled on the day",
      "cancel_reason": "no post-op bed",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 409,
    "fields": {
      "session": 62,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-1075702",
      "urgency": "elective",
      "planned_start": "2026-05-27T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T15:06:01Z",
      "duration_ratio": "1.16",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 410,
    "fields": {
      "session": 72,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-5304148",
      "urgency": "elective",
      "planned_start": "2026-05-12T15:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T15:11:53Z",
      "duration_ratio": "0.80",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 411,
    "fields": {
      "session": 53,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-2378105",
      "urgency": "elective",
      "planned_start": "2026-05-20T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-20T15:04:15Z",
      "duration_ratio": "1.37",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 412,
    "fields": {
      "session": 2,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 5,
      "patient_ref": "PT-0643249",
      "urgency": "elective",
      "planned_start": "2026-05-06T15:00:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T15:14:28Z",
      "duration_ratio": "1.45",
      "actual_minutes": "64"
    }
  },
  {
    "model": "app.cas",
    "pk": 413,
    "fields": {
      "session": 32,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-8490748",
      "urgency": "elective",
      "planned_start": "2026-05-25T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T15:11:26Z",
      "duration_ratio": "0.80",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 414,
    "fields": {
      "session": 38,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-5105862",
      "urgency": "elective",
      "planned_start": "2026-05-05T15:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T15:13:33Z",
      "duration_ratio": "0.90",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 415,
    "fields": {
      "session": 3,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-6336849",
      "urgency": "elective",
      "planned_start": "2026-05-05T13:15:00Z",
      "planned_minutes": 43,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T13:16:26Z",
      "duration_ratio": "0.96",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 416,
    "fields": {
      "session": 34,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-7937673",
      "urgency": "elective",
      "planned_start": "2026-05-26T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T15:08:31Z",
      "duration_ratio": "0.85",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 417,
    "fields": {
      "session": 4,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 4,
      "patient_ref": "PT-7767721",
      "urgency": "urgent",
      "planned_start": "2026-05-04T13:15:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T13:20:18Z",
      "duration_ratio": "0.90",
      "actual_minutes": "38"
    }
  },
  {
    "model": "app.cas",
    "pk": 418,
    "fields": {
      "session": 8,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-3917174",
      "urgency": "elective",
      "planned_start": "2026-05-04T15:00:00Z",
      "planned_minutes": 34,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T15:00:45Z",
      "duration_ratio": "0.88",
      "actual_minutes": "30"
    }
  },
  {
    "model": "app.cas",
    "pk": 419,
    "fields": {
      "session": 40,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-3668086",
      "urgency": "urgent",
      "planned_start": "2026-05-19T13:15:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T13:21:01Z",
      "duration_ratio": "1.44",
      "actual_minutes": "66"
    }
  },
  {
    "model": "app.cas",
    "pk": 420,
    "fields": {
      "session": 51,
      "theatre_id": 6,
      "surgeon_id": 5,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-8529939",
      "urgency": "elective",
      "planned_start": "2026-05-18T15:00:00Z",
      "planned_minutes": 47,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T15:01:59Z",
      "duration_ratio": "1.14",
      "actual_minutes": "54"
    }
  },
  {
    "model": "app.cas",
    "pk": 421,
    "fields": {
      "session": 9,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-4910888",
      "urgency": "urgent",
      "planned_start": "2026-05-11T15:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T15:14:17Z",
      "duration_ratio": "0.99",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 422,
    "fields": {
      "session": 90,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-7724787",
      "urgency": "elective",
      "planned_start": "2026-06-01T15:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T15:11:53Z",
      "duration_ratio": "1.09",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 423,
    "fields": {
      "session": 36,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-7724170",
      "urgency": "elective",
      "planned_start": "2026-05-13T13:15:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T13:23:44Z",
      "duration_ratio": "0.98",
      "actual_minutes": "36"
    }
  },
  {
    "model": "app.cas",
    "pk": 424,
    "fields": {
      "session": 3,
      "theatre_id": 3,
      "surgeon_id": 6,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-9555512",
      "urgency": "elective",
      "planned_start": "2026-05-05T15:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T15:04:19Z",
      "duration_ratio": "1.27",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 425,
    "fields": {
      "session": 20,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 4,
      "patient_ref": "PT-5636313",
      "urgency": "elective",
      "planned_start": "2026-05-12T13:15:00Z",
      "planned_minutes": 44,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T13:23:31Z",
      "duration_ratio": "1.41",
      "actual_minutes": "62"
    }
  },
  {
    "model": "app.cas",
    "pk": 426,
    "fields": {
      "session": 4,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-8510592",
      "urgency": "elective",
      "planned_start": "2026-05-04T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T15:10:28Z",
      "duration_ratio": "0.92",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 427,
    "fields": {
      "session": 40,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-9828220",
      "urgency": "elective",
      "planned_start": "2026-05-19T15:00:00Z",
      "planned_minutes": 52,
      "status": "cancelled on the day",
      "cancel_reason": "patient unwell",
      "actual_start": null,
      "duration_ratio": null,
      "actual_minutes": null
    }
  },
  {
    "model": "app.cas",
    "pk": 428,
    "fields": {
      "session": 27,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-5262367",
      "urgency": "elective",
      "planned_start": "2026-05-12T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T15:14:38Z",
      "duration_ratio": "1.20",
      "actual_minutes": "50"
    }
  },
  {
    "model": "app.cas",
    "pk": 429,
    "fields": {
      "session": 7,
      "theatre_id": 3,
      "surgeon_id": 8,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-5504053",
      "urgency": "elective",
      "planned_start": "2026-05-06T15:00:00Z",
      "planned_minutes": 36,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T15:10:26Z",
      "duration_ratio": "1.14",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 430,
    "fields": {
      "session": 67,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-8738225",
      "urgency": "elective",
      "planned_start": "2026-05-26T15:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-26T15:05:54Z",
      "duration_ratio": "0.83",
      "actual_minutes": "42"
    }
  },
  {
    "model": "app.cas",
    "pk": 431,
    "fields": {
      "session": 29,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-6930847",
      "urgency": "elective",
      "planned_start": "2026-05-12T13:15:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T13:29:04Z",
      "duration_ratio": "1.05",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 432,
    "fields": {
      "session": 71,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 4,
      "patient_ref": "PT-8513150",
      "urgency": "elective",
      "planned_start": "2026-06-02T13:15:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T13:17:01Z",
      "duration_ratio": "0.81",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 433,
    "fields": {
      "session": 31,
      "theatre_id": 2,
      "surgeon_id": 12,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-2148316",
      "urgency": "elective",
      "planned_start": "2026-05-19T15:00:00Z",
      "planned_minutes": 40,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T15:03:08Z",
      "duration_ratio": "0.80",
      "actual_minutes": "32"
    }
  },
  {
    "model": "app.cas",
    "pk": 434,
    "fields": {
      "session": 29,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-8085869",
      "urgency": "urgent",
      "planned_start": "2026-05-12T15:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T15:14:52Z",
      "duration_ratio": "1.42",
      "actual_minutes": "58"
    }
  },
  {
    "model": "app.cas",
    "pk": 435,
    "fields": {
      "session": 73,
      "theatre_id": 1,
      "surgeon_id": 11,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-0535348",
      "urgency": "elective",
      "planned_start": "2026-05-12T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T15:06:30Z",
      "duration_ratio": "0.82",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 436,
    "fields": {
      "session": 19,
      "theatre_id": 2,
      "surgeon_id": 18,
      "specialty": "gynaecology",
      "case_no": 5,
      "patient_ref": "PT-5652679",
      "urgency": "elective",
      "planned_start": "2026-05-13T15:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T15:05:34Z",
      "duration_ratio": "0.89",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 437,
    "fields": {
      "session": 21,
      "theatre_id": 6,
      "surgeon_id": 13,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-3728594",
      "urgency": "elective",
      "planned_start": "2026-05-06T15:00:00Z",
      "planned_minutes": 48,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-06T15:01:48Z",
      "duration_ratio": "1.14",
      "actual_minutes": "55"
    }
  },
  {
    "model": "app.cas",
    "pk": 438,
    "fields": {
      "session": 22,
      "theatre_id": 5,
      "surgeon_id": 14,
      "specialty": "ENT",
      "case_no": 5,
      "patient_ref": "PT-9799571",
      "urgency": "elective",
      "planned_start": "2026-05-27T15:00:00Z",
      "planned_minutes": 37,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T15:13:05Z",
      "duration_ratio": "0.85",
      "actual_minutes": "31"
    }
  },
  {
    "model": "app.cas",
    "pk": 439,
    "fields": {
      "session": 28,
      "theatre_id": 1,
      "surgeon_id": 2,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-8523939",
      "urgency": "elective",
      "planned_start": "2026-05-11T15:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-11T15:14:40Z",
      "duration_ratio": "0.80",
      "actual_minutes": "37"
    }
  },
  {
    "model": "app.cas",
    "pk": 440,
    "fields": {
      "session": 60,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-6990214",
      "urgency": "elective",
      "planned_start": "2026-05-25T15:00:00Z",
      "planned_minutes": 46,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-25T15:03:58Z",
      "duration_ratio": "0.90",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 441,
    "fields": {
      "session": 10,
      "theatre_id": 2,
      "surgeon_id": 9,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-7110615",
      "urgency": "elective",
      "planned_start": "2026-05-18T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T15:01:08Z",
      "duration_ratio": "0.86",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 442,
    "fields": {
      "session": 36,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-0070210",
      "urgency": "elective",
      "planned_start": "2026-05-13T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-13T15:09:16Z",
      "duration_ratio": "0.84",
      "actual_minutes": "35"
    }
  },
  {
    "model": "app.cas",
    "pk": 443,
    "fields": {
      "session": 71,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-0650451",
      "urgency": "elective",
      "planned_start": "2026-06-02T15:00:00Z",
      "planned_minutes": 41,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-02T15:00:26Z",
      "duration_ratio": "1.01",
      "actual_minutes": "41"
    }
  },
  {
    "model": "app.cas",
    "pk": 444,
    "fields": {
      "session": 20,
      "theatre_id": 6,
      "surgeon_id": 7,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-1227478",
      "urgency": "elective",
      "planned_start": "2026-05-12T15:00:00Z",
      "planned_minutes": 49,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-12T15:14:21Z",
      "duration_ratio": "1.01",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 445,
    "fields": {
      "session": 81,
      "theatre_id": 3,
      "surgeon_id": 3,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-8914625",
      "urgency": "urgent",
      "planned_start": "2026-06-01T15:00:00Z",
      "planned_minutes": 39,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-06-01T15:08:52Z",
      "duration_ratio": "0.85",
      "actual_minutes": "33"
    }
  },
  {
    "model": "app.cas",
    "pk": 446,
    "fields": {
      "session": 65,
      "theatre_id": 4,
      "surgeon_id": 10,
      "specialty": "urology",
      "case_no": 5,
      "patient_ref": "PT-4381698",
      "urgency": "urgent",
      "planned_start": "2026-05-18T15:00:00Z",
      "planned_minutes": 42,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-18T15:02:54Z",
      "duration_ratio": "0.92",
      "actual_minutes": "39"
    }
  },
  {
    "model": "app.cas",
    "pk": 447,
    "fields": {
      "session": 58,
      "theatre_id": 4,
      "surgeon_id": 17,
      "specialty": "ophthalmology",
      "case_no": 5,
      "patient_ref": "PT-5022452",
      "urgency": "elective",
      "planned_start": "2026-05-27T15:00:00Z",
      "planned_minutes": 50,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-27T15:13:05Z",
      "duration_ratio": "1.02",
      "actual_minutes": "51"
    }
  },
  {
    "model": "app.cas",
    "pk": 448,
    "fields": {
      "session": 75,
      "theatre_id": 4,
      "surgeon_id": 16,
      "specialty": "orthopaedics",
      "case_no": 5,
      "patient_ref": "PT-4652995",
      "urgency": "elective",
      "planned_start": "2026-05-19T15:00:00Z",
      "planned_minutes": 52,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-19T15:08:17Z",
      "duration_ratio": "1.01",
      "actual_minutes": "53"
    }
  },
  {
    "model": "app.cas",
    "pk": 449,
    "fields": {
      "session": 18,
      "theatre_id": 5,
      "surgeon_id": 4,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-1589512",
      "urgency": "elective",
      "planned_start": "2026-05-05T15:00:00Z",
      "planned_minutes": 45,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-05T15:06:48Z",
      "duration_ratio": "1.09",
      "actual_minutes": "49"
    }
  },
  {
    "model": "app.cas",
    "pk": 450,
    "fields": {
      "session": 1,
      "theatre_id": 5,
      "surgeon_id": 1,
      "specialty": "general surgery",
      "case_no": 5,
      "patient_ref": "PT-0048953",
      "urgency": "elective",
      "planned_start": "2026-05-04T15:00:00Z",
      "planned_minutes": 38,
      "status": "completed",
      "cancel_reason": null,
      "actual_start": "2026-05-04T15:09:39Z",
      "duration_ratio": "1.10",
      "actual_minutes": "42"
    }
  }
]
