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Table 1 Characteristics of the patient sample (ISS: Injury Severity Score; NISS: New Injury Severity Score; APACHE II: Acute Physiology and Chronic Health Evaluation)

From: The risk of early mortality of polytrauma patients associated to ISS, NISS, APACHE II values and prothrombin time

 

Sex male/female

N (% of all)

Age [a]

Prothrombin time [%]

ISS

NISS

APACHE II

Death day 0

50/24

74 (9.6%)

47.5 (18–89, 47.7, ± 19.7)

37 (10–100, 42.1, ± 22.4)

41.0 (18–75, 40.3, ± 13.6)

50.0 (20–75, 52.0, ± 15.2)

30.0 (9–43, 29.0, ± 7.9)

Death day 1-3

138/46

184 (23.9%)

42.5 (17–89, 45.5, ± 19.2)

56 (10–100, 58.9, ± 23.6)

34.0 (17–75, 37.8, ± 13.4)

50.0 (20–77, 50.2, ± 14.1)

25.0 (6–44, 25.5, ± 7.6)

Survival day > 3

385/127

512 (66.5%)

36.5 (16–88, 39.1, ± 16.6)

84 (14–121, 80.5, ± 19.3)

29.0 (17–75, 32.6, ± 11.9)

41.0 (29–75, 41.2, ± 13.4)

15.0 (0–40, 15.2, ± 7.9)

All

573/197

770

38.5 (16–89, 41.4, ± 17.9)

78 (10–121, 73.7, ± 23.5)

33.0 (17–75, 34.6, ± 12.8)

43.0 (17–77, 44.4, ± 14.5)

19.0 (0–44, 18.9, ± 9.5)

  1. Data are given as medians (range, mean, ±SD).