Table 1 Baseline characteristics of the study cohort

Patient characteristics

 Sex (male:female), % (n)

71:29

(3223, 1306)

65:35

(44,988, 24,502)

 Age, median (Q1, Q3)

44

(27, 60)

44

(26, 64)

Injury severity

Median

(Q1, Q3)

Median

(Q1, Q3)

 ISS ≤ 8

4

(1, 5)

1

(1, 4)

 ISS 9–15

10

(9, 13)

10

(9, 13)

 ISS 16–24

18

(17, 21)

17

(17, 21)

 ISS ≥ 25

30

(27, 41)

29

(26, 35)

Blunt vs penetrating

% Ratio

(n)

% Ratio

(n)

 ISS ≤ 8

92:8

(1757, 168)

92:8

(41,981, 3710)

 ISS 9–15

92:8

(1116, 91)

91:9

(12,665, 1200)

 ISS 16–24

93:7

(668, 50)

92:8

(5076, 447)

 ISS ≥ 25

92:8

(615, 56)

90:10

(3817, 402)

Survival

 30-day mortality, % (n)

6.6

(299)

4.9

(3431)

 GOS, median (Q1, Q3)

4

(4, 5)

5

(4, 5)

Prehospital time, minutes

Median

(Q1, Q3)

Median

(Q1, Q3)

 Total prehospital time

63

(50, 84)

53

(39, 71)

 Dispatch to arrival

19

(13, 28)

11

(7, 18)

 Time on scene

23

(16, 31)

20

(14, 28)

 Scene to hospital

18

(13, 28)

18

(10, 29)