Table 1 Comparison between the non-PPP group and the PPP group

Age (years)

60.4 ± 18.8

60.9 ± 22.1

59.7 ± 15.0

0.82

Male

22 (73.3 %)

10 (62.5 %)

12 (85.7 %)

0.23*

Injury severity score

39.2 ± 8.1

32.2 ± 4.9

38.8 ± 8.3

0.92

Associated injury (AIS >2)

26 (86.7 %)

13 (81.2 %)

13 (92.9 %)

0.60*

Systolic blood pressure on arrival (mmHg)

89.1 ± 24.7

84.3 ± 24.1

94.6 ± 25.1

0.29

Initial hemoglobin (g/dL)

10.6 ± 2.2

10.7 ± 2.5

10.4 ± 1.8

0.73

Initial lactate

5.0 ± 3.1

5.2 ± 3.4

4.9 ± 2.8

0.92

Red blood cell transfusion requirement over 4 h (units)

13.9 ± 10.9

11.3 ± 6.5

16.9 ± 14.2

0.31

Red blood cell transfusion requirement in the trauma intensive care unit (for 24 h)

5 (0–17)

1 (0–11)

7 (0–17)

0.09

Pelvic angiography

12 (40 %)

5 (31.3 %)

7 (50 %)

0.30

Time to emergency intervention (min)

132.2 ± 62.4

194 ± 45 (n = 4)

55 ± 27 (n = 10^a)

<0.00

Overall mortality

11 (36.7 %)

6 (37.5 %)

5 (35.7 %)

0.92

Mortality due to hemorrhage

8 (26.7 %)

6 (37.5 %)

2 (14.3 %)

0.23*