Table 3 Multivariate logistic regression analysis for predictors of mortality

Age, years

1.03

1.01-1.04

< 0.001

Type of trauma (penetrating vs. blunt)

0.44

0.19-1.007

0.052

ISS

1.03

1.006-1.06

0.017

RTS

0.55

0.45-0.67

< 0.001

Hypotension on hospital arrival*

1.13

0.57-2.22

0.71

Body region of severe† concomitant injury

 Head

0.62

0.29-1.30

0.20

 Abdomen

2.45

1.32-4.56

0.004

 Upper extremity

3.38

1.24-9.17

0.016

 Lower extremity including pelvis

1.25

0.64-2.41

0.50

 Flail chest

0.73

0.27-1.95

0.53

 Thoracic aorta

0.94

0.34-2.56

0.90

 Heart

2.28

0.47-11.0

0.30

CT of chest/abdomen

0.32

0.15-0.69

0.003

Thoracotomy/laparotomy as initial management

0.56

0.30-1.03

0.066

Diaphragm repair

0.44

0.25-0.78

0.004

Blood transfusion within 24 h

1.83

0.77-4.31

0.16