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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).