Table 1. Patient characteristics.

Variable	N = 169 (%)
Age	53.8±17.1
Sex (male)	112 (66.3)
Injury severity score	13 (1–50)
Injury severity score > 15	78 (46.2)
Associated injury (AIS ≥3)	57 (33.7)
Injury mechanism
Road traffic collision	104 (61.5)
Penetrating trauma	31 (18.3)
Hit & crush	19 (11.2)
Fall	6 (3.6)
Slip down	5 (3.0)
Others	4 (2.4)
Initial shock	47 (27.8)
Initial WBC	12064±5904
Initial DNI (%)	0.6 (0–52.8)
Initial CRP (mg/dL)	0.29 (0–30.10)
Initial serum lactate	3.73±3.14
Postoperative WBC	10674±5226
Postoperative DNI	3.6 (0–48.8)
Postoperative CRP	0.29 (0–26.40)
Postoperative lactate	3.43±2.60
SOFA score on ICU admission	4 (0–18)
Mortality	19 (11.2)
Sepsis	7 (36.8)
Hemorrhage	6 (31.6)
MODS	2 (10.5)
Others	4 (21.1)

AIS, abbreviated injury scale; WBC, white blood cell; DNI, delta neutrophil index; CRP, C-reactive protein; SOFA, sequential organ failure assessment; MODS, multiple organ dysfunction syndrome.