Table 1. Characteristics of in-flight emergencies by flight outcome.
| Categories | All events (n=199), n (%) | Flight outcomes | P value | |
| Aircraft diversion (n=136), n (%) | Scheduled destination (n=63), n (%) | |||
| Age groups (years) | .01 | |||
| <18 | 13 (6.5) | 10 (7.3) | 3 (4.8) | |
| 18‐34 | 35 (17.6) | 24 (16.7) | 11 (17.5) | |
| 35‐49 | 24 (12.1) | 16 (11.8) | 8 (12.7) | |
| 50‐64 | 41 (20.6) | 26 (19.1) | 15 (23.8) | |
| ≥65 | 23 (11.6) | 9 (6.6) | 14 (22.2) | |
| Unspecified | 63 (31.7) | 51(37.5) | 12 (19) | |
| Sex | .001 | |||
| Female | 71 (35.7) | 40 (29.4) | 31 (49.2) | |
| Male | 82 (41.2) | 55 (40.4) | 27 (42.9) | |
| Unspecified | 46 (23.1) | 41 (30.2) | 5 (7.9) | |
| Type of aircraft | <.001 | |||
| Wide-body plane | 52 (26.1) | 21 (15.4) | 31 (49.2) | |
| Narrow-body plane | 147 (73.9) | 115 (84.6) | 32 (50.8) | |
| Flight distance (km) | <.001 | |||
| <1000 | 16 (8) | 9 (6.6) | 7 (11.1) | |
| 1000‐1999 | 91 (45.7) | 73 (53.7) | 18 (28.6) | |
| 2000‐3999 | 49 (24.6) | 37 (27.2) | 12 (19) | |
| ≥4000 | 43 (21.6) | 17 (12.5) | 26 (41.3) | |
| Volunteer provider of medical assistance | <.001 | |||
| No | 147 (73.9) | 109 (80.2) | 38 (60.3) | |
| Yes | 52 (26.1) | 27 (19.8) | 25 (39.7) | |
| Death | <.001 | |||
| No | 95 (47.7) | 48 (35.3) | 47 (74.6) | |
| Yes | 24 (12.1) | 11 (8.1) | 13 (20.6) | |
| Unspecified | 80 (40.2) | 77 (56.6) | 3 (4.8) | |
| AEDa useb | .17 | |||
| No | 12 (66.7) | 6 (85.7) | 6 (54.6) | |
| Yes | 6 (33.3) | 1 (14.3) | 5 (45.4) | |
| Medical history | .04 | |||
| No | 42 (21.1) | 27 (19.9) | 15 (23.8) | |
| Yes | 61 (30.7) | 34 (25) | 27 (42.9) | |
| Unknown | 96 (48.2) | 75 (55.1) | 21 (33.3) | |
| Season | .003 | |||
| Mar-May | 46 (23.1) | 36 (26.5) | 10 (15.9) | |
| Jun-Aug | 32 (16.1) | 21 (15.4) | 11 (17.5) | |
| Sep-Nov | 65 (32.7) | 34 (25) | 31 (49.2) | |
| Dec-Feb | 56 (28.1) | 45 (33.1) | 11 (17.5) | |
a
AED: automated external defibrillator.
b
Only calculated among cardiopulmonary arrest cases (n=18).