Table 3 Outcome of patients with and without knee injury

Overall hospital stay (days)

38.1 ± 33.0

25.5 ± 29.1

26.9 ± 29.9

<0.001

ICU stay (days)

15.2 ± 16.8

11.4 ± 14.3

11.8 ± 14.6

<0.001

Intubation duration (days)

9.9 ± 14.2

7.4 ± 11.6

7.7 ± 12.0

<0.001

Mortality

14.5%

17.4%

16.7%

<0.001

Total costs of treatment (Euro)

40,166 ± 28,266

25,336 ± 22,750

27,087 ± 23,951

<0.001