Table 1 Patient characteristics

Age (years)

54 ± 14

40 ± 17

0.001

53 ± 14

41 ± 16

0.006

Male sex, n (%)

30 (62)

19 (79)

0.153

22 (65)

18 (78)

0.272

Weight, kg

77.1 ± 15.6

80.3 ± 13.9

0.386

78.7 ± 14.8

79.9 ± 14.1

0.763

Study day from ICU arrival

1.4 ± 0.7

1.8 ± 0.9

0.040

1.3 ± 0.6

1.9 ± 1.0

0.010

Mechanical ventilation, n (%)

38 (79)

15 (63)

0.130

26 (76)

15 (65)

0.354

SAPS II on ICU arrival

68.3 ± 14

44.6 ± 13

<0.001

67 ± 15

44 ± 14

<0.001

Injury Severity Score

32 ± 19

32 ± 19

ICU length of stay

10.7 ± 10

6.6 ± 7.8

0.081

10.3 ± 11

6.8 ± 8

0.191

ICU mortality (%)

14

8.3

0.450

5 (15)

1 (4)

0.211

30-day mortality (%)

27

8.3

0.065

8 (24)

1 (4)

0.051

Cause of sepsis, n (%)

Pulmonary infection, n (%)

27 (56)

19 (56)

Necrotising fasciitis, n (%)

4 (8)

3 (9)

Urosepsis, n (%)

3 (6)

3 (9)

Abdominal sepsis, n (%)

11 (23)

7 (21)

Other, n (%)

3 (6)

2 (6)