Table 1 Basic characteristics of the 402 trauma patients with pelvic fracture and the 344 pelvic-ring fractures were classified according to Tile/OTA classification

Blunt injury (%)

97.9 (n = 393)

97.4 (n = 76)

99.1 (n = 116)

99.3 (n = 145)

n.s.

n.s.

n.s.

Age (years, mean ± SD)

42.2 ± 19.2 (n = 402)

40.9 ± 19.8 (n = 79)

42.5 ± 18.6 (n = 118)

42.9 ± 19.4 (n = 147)

n.s.

n.s.

n.s.

Male patients (%)

63.7 (n = 256)

65.8 (n = 52)

58.5 (n = 69)

64.6 (n = 95)

n.s.

n.s.

n.s.

ISS (points, mean ± SD)

25.9 ± 11.4 (n = 402)

21.3 ± 9.0 (n = 79)

27.6 ± 11.2 (n = 118)

29.6 ± 10.9 (n = 147)

<0.001

n.s.

<0.001

ISS ≥16 (%)

85.6 (n = 344)

74.7 (n = 59)

90.8 (n = 107)

97.4 (n = 143)

<0.001

0.030

0.005

AIS head ≥3 (%)

23.3 (n = 344)

30.4 (n = 24)

26.3 (n = 31)

17.0 (n = 25)

0.027

0.071

0.627

AIS thorax ≥3 (%)

54.4 (n = 344)

50.6 (n = 40)

59.3 (n = 70)

52.4 (n = 77)

n.s.

n.s.

n.s.

AIS abdomen ≥3 (%)

25.6 (n = 344)

15.2 (n = 12)

25.4 (n = 30)

31.3 (n = 46)

0.010

0.339

0.110

AIS extremities ≥3 (%)

83.1 (n = 344)

58.2 (n = 46)

85.6 (n = 101)

100.0 (n = 147)

<0.001

0.019

<0.001

New-ISS (points, mean ± SD)

29.5 ± 11.1 (n = 402)

24.9 ± 9.1 (n = 79)

30.9 ± 10.3 (n = 118)

33.3 ± 11.3 (n = 118)

<0.001

n.s.

<0.001

PTS (points, mean ± SD)

32.4 ± 17.0 (n = 402)

24.5 ± 14.9 (n = 79)

33.4 ± 16.2 (n = 118)

36.8 ± 17.7 (n = 147)

<0.001

n.s.

<0.001

GCS on scene (points, mean ± SD)

11.5 ± 4.5 (n = 284)

12.3 ± 3.9 (n = 64)

11.6 ± 4.0 (n = 77)

11.9 ± 4.2 (n = 104)

n.s.

n.s.

n.s.

Time from accident to hospital admission (minutes, mean ± SD)

73.0 ± 36.1 (n = 210)

73.7 ± 40.7 (n = 41)

73. 9 ± 38.1 (n = 57)

68.2 ± 29.5 (n = 92)

n.s.

n.s.

n.s.

Time in the trauma room (minutes, mean ± SD)

72.4 ± 40.8 (n = 353)

78.4 ± 43.6 (n = 70)

74.8 ± 45.1 (n = 98)

68.0 ± 36.0 (n = 133)

n.s.

n.s.

n.s.