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

Values are presented as median (25^th–75^th percentiles)