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Table 1 Baseline characteristics of major trauma patients

From: Hyperchloremia is associated with 30-day mortality in major trauma patients: a retrospective observational study

  Total (266) Survivors (235) Non-survivors (31) p value
Age (years), mean ± SD 49.7 ± 19.5 49.1 ± 19.7 54.2 ± 17.6 0.17
Male, n (%) 196 (74) 173 (74) 23 (74) 1.00
Underlying disease, n (%)
 HTN 50 (19) 42 (18) 8 (26) 0.33
 DM 32 (12) 27 (12) 5 (16) 0.55
 Pulmonary tuberculosis 4 (2) 3 (1) 1 (3) 0.39
 Hepatitis 3 (1) 2 (1) 1 (3) 0.31
BMI, mean ± SD 23.2 ± 3.0 23.2 ± 3.0 23.7 ± 2.9 0.36
GCS, median (IQR) 15.0 (7.0–15.0) 15.0 (9.0–15.0) 5.0 (3.0–12.0) <0.001
ISS, mean ± SD 26.0 ± 7.9 25.4 ± 7.6 30.8 ± 8.4 <0.001
RTS, mean ± SD 6.726 ± 1.684 6.939 ± 1.465 5.112 ± 2.298 <0.001
TRISS, mean ± SD 79.1 ± 26.8 83.7 ± 23.0 47.0 ± 32.2 <0.001
APACHE II, mean ± SD 16.2 ± 9.2 14.7 ± 8.3 27.1 ± 8.5 <0.001
Injury mechanism, n (%)     0.26
 MVA (pedestrian) 86 (32) 73 (31) 13 (42)  
 MVA (passenger) 39 (15) 38 (16) 1 (3)  
 Motorcycle accidents 58 (22) 53 (23) 5 (16)  
 Falls 63 (24) 53 (23) 10 (32)  
 Penetrating injuries 5 (2) 5 (2) 0 (0)  
 Others 15 (6) 13 (6) 2 (7)  
Injury region, n (%)
 Head & Neck 209 (79) 182 (77) 27 (87) 0.25
 Face 105 (40) 94 (40) 11 (36) 0.70
 Chest 188 (71) 172 (73) 16 (52) 0.02
 Abdomen 143 (54) 127 (54) 16 (52) 0.85
 Extremities 179 (67) 160 (68) 19 (61) 0.54
 External 193 (73) 171 (73) 22 (71) 1.00
  1. SD standard deviation, DM diabetes mellitus, BMI body mass index, GCS Glasgow coma scale, ISS injury severity score, RTS revised trauma score, TRISS, trauma and injury severity score, APACHE II acute physiology and chronic health evaluation II, MVA motor vehicle accidents