Table 2 Time intervals and distances
Variable | Missing data | All n = 472 | Missing data | Rural n = 249 | Missing data | Urban n = 223 | P-value |
|---|---|---|---|---|---|---|---|
Airway distance from scene to the receiving hospital (km) | 21 | 45.3 (5.9–117.4) | 12 | 112 (67.1–143.9) | 9 | 5.7 (2.6–20.3) | <0.001 |
Road distance from scene to the receiving hospital (km) | 21 | 55.4 (8.9–144.1) | 12 | 137.7 (82.1–172.7) | 9 | 8.1 (3.8–23.9) | <0.001 |
Transport time from scene to receiving hospital (min) | 146 | 33 (12–51) | 67 | 46.5 (35.8–64.2) | 79 | 11 (7–21.75) | <0.001 |
Time from HEMS dispatch to the HEMS arrival on scene (min) | 0 | 24 (11–43) | 0 | 39 (28–53) | 0 | 11 (8–18) | <0.001 |
On scene time (min) | 95 | 18 (10–31) | 42 | 22 (11–35) | 53 | 15 (9–24) | <0.001 |
Airway distance from the HEMS base to scene (km) | 67 | 36.9 (7.2–107) | 44 | 102.1 (64.9–130.2) | 23 | 7.2 (3.1–17.1) | <0.001 |
Road distance from the HEMS base to scene (km) | 67 | 51.6 (8.7–131.8) | 44 | 127.8 (78.6–163.9) | 23 | 8.7 (4.6–20) | <0.001 |