Table 1 Demographics and clinical characteristics. Data are expressed as median (interquartile range)

Age (years)

23 (17–30)

25 (20–30)

19 (10–28)

25 (20–28)

21 (15–25)

< 0.001^{^}

Men (N, %)

838 (87.9)

524 (89)

204 (82.9)

91 (93.8)

19 (90.5)

0.021^§

Injury severity score

16 (9–25)

16 (16–25)

22 (16–39)

9 (9–18)

18 (16–25)

< 0.001^{^}

Length of stay

8 (6–12)

8 (6–13)

8 (6–12)

6 (5–7)

8 (3–11)

< 0.001^{^}

Time since injury°

5.4

5.1

4.4

6.2

8.2

0.005^{^}

Associated injuries (n, %)

399 (41.8)

242 (41)

117 (47.5)

29 (29.8)

12 (57.1)

< 0.005^§