Table 1 Summary of patients characteristics and on-scene location information
Helicopter | Ambulance | Total | P value | |
|---|---|---|---|---|
Male gender, N (%) | 486 (67.1%) | 1016 (70.2%) | 1502 (69.2) | 0.265 |
Age, years (SD) | 36.4 (25.5) | 41.5 (24.7) | 39.8 (25.1) | < 0.001 |
iEMV, median score (IQR) | 7 (3–11) | 10 (8–11) | 8 (3–14) | < 0.001 |
iEMVlow, N (%) | 465 (65%) | 716 (50%) | 1181 (55%) | < 0.001 |
iEMVmoderate, N (%) | 104 (15%) | 223 (16%) | 327 (15%) | 0.467 |
iEMVhigh, N (%) | 148 (21%) | 481 (34%) | 629 (29%) | < 0.001 |
iRTS , median score (IQR) | 10 (8–11) | 10 (8–12) | 10 (8–12) | < 0.001 |
iRTSlow, N (%) | 28 (5%) | 75 (7%) | 103 (7%) | 0.147 |
iRTSsevere, N (%) | 395 (77%) | 638 (63%) | 1033 (68%) | < 0.001 |
iRTS mild, N (%) | 92 (18%) | 300 (30%) | 392 (26%) | < 0.001 |
Trauma level 1, N (%) | 703 (97%) | 1280 (88%) | 1983 (91%) | < 0.001 |
Fly distance (km), mean (SD) | 48.0 (20.7) | 24.4 (13.8) | 32.3 (19.9) | < 0.001 |
Fly duration (min), mean (SD) | 15.7 (6.8) | 9.0 (3.7) | 11.2 (5.8) | < 0.001 |
Driving distance (km), mean (SD) | 62.4 (25.9) | 32.4 (17.3) | 42.4 (25.0) | < 0.001 |
Driving time ambulance (min), mean (SD) | 36.2 (12.4) | 20.0 (8.9) | 25.4 (12.7) | < 0.001 |