Table 1 Overview of the patient collective

Number of patients

30 (2.8%)

603 (55.6%)

361 (33.3%)

90 (8.3%)

Age (years)

44.2 ± 20.1

39.4 ± 17.9

46.1 ± 16.6^†

47.8 ± 15.4

< 0.001

Gender: male (%)

33.3^‡

71.1

82.0^†

77.8

< 0.001

Blunt trauma (%)

90.0

92.2

90.9

84.4*

0.012

Type of injury (%)

   Motor vehicle accident

40.0

50.1

49.9

48.9

0.75

   Work

3.3

9.8

16.3^†

14.4

0.008

   Sport

3.3

8.6

7.5

4.4

0.41

   Fall

20.0

11.4

10.5

12.2

0.035

   Suicide

23.3^‡

8.8

5.0^†

10.0

0.002

Injury Severity Score

24.9 ± 8.7^‡

30.9 ± 11.8

31.2 ± 12.3

29.9 ± 11.0

0.022

New Injury Severity Score

36.4 ± 16.3

40.4 ± 14.2

40.5 ± 15.7

40.2 ± 14.3

0.35

Admission SBP

124.0 ± 19.8

131.8 ± 26.2

130.7 ± 29.4

132.0 ± 35.6

0.06

Admission heart rate

91 ± 20.4

92.7 ± 23.1

89.7 ± 21.3

95.7 ± 25.8

0.14

Admission GCS

10.4 ± 5.4

19.7 ± 5.4

9.3 ± 5.6

9.7 ± 5.5

0.77

Admission lactate

3.1 ± 2.5

2.8 ± 2.2

3.0 ± 2.4

3.2 ± 2.4

0.4

Admission pH

7.32 ± 0.02

7.33 ± 0.01

7.31 ± 0.01^†

7.29 ± 0.02*

0.001

Admission temperature (°C)

35.1 ± 1.4

35.5 ± 1.8

35.6 ± 1.4

35.9 ± 1.1

0.19

Admission APACHE II

14.1 ± 7.4

13.4 ± 8.1

14.9 ± 8.7^†

15.3 ± 8.6

0.03

Hospital stay (days)

23.3 ± 14.0

22.0 ± 18.0

25.2 ± 31.6

24.5 ± 22.6

0.78

ICU stay (days)

9.8 ± 8.3

10.0 ± 11.1

11.2 ± 12.7

12.4 ± 14.5

0.49

Mechanical ventilation (days)

6.2 ± 7.4

5.9 ± 8.0

7.1 ± 10.2

7.7 ± 10.4

0.44