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Table 1 Dispatch criteria

From: Dispatch of a helicopter emergency medicine service to patients with a sudden, unexplained loss of consciousness of medical origin

  N (%) 999-scene time (min) p
Dispatch type
Direct Cat 1 6 (4.6) 5 (3) <.001
Cat 2 23 (17.6) 16 (14)
Request Cat 3 33 (25.2) 39 (18)
Cat 4 65 (49.6) 40 (23)
Dispatch day Weekday 95 (74.8) 32 (21) .38
Weekend 32 [25.2) 38 (28)
  1. Table 1. Displayed are mean (SD) 999-scene times. Cat 1; direct dispatch based on one grade 1 criterium; Cat 2, direct dispatch based on two grade 2 criteria; Cat 3, dispatch on request of critical care desk; Cat 4, dispatch on request of ambulance crew on scene.