Table 3 Multivariable logistic regression analysis of mortality by age subgroups

Age

1.038 (1.032, 1.044)

< 0.001

1.059 (1.050, 1.068)

< 0.001

4.585 (4.158, 5.055)

< 0.001

Female

0.723 (0.616, 0.850)

0.001

0.789 (0.696, 0.894)

< 0.001

0.813 (0.737, 0.897)

< 0.001

Trauma mechanism

Motor vehicle collision

Reference

Fall

1.290 (1.094, 1.522)

0.003

0.843 (0.725, 0.980)

0.026

1.224 (1.096, 1.366)

< 0.001

Blunt injury

0.463 (0.352, 0.610)

< 0.001

0.524 (0.377, 0.727)

< 0.001

0.462 (0.376, 0.568)

< 0.001

Penetrating injury

0.688 (0.464, 1.020)

0.064

0.701 (0.434, 1.132)

0.146

0.701 (0.523, 0.938)

0.017

Other^b

0.617 (0.504, 0.756)

< 0.001

0.681 (0.560, 0.827)

< 0.001

0.686 (0.596, 0.789)

< 0.001

Vital signs

SBP (mmHg)

0.986 (0.985, 0.988)

< 0.001

0.992 (0.990, 0.993)

< 0.001

0.989 (0.988, 0.990)

< 0.001

DBP (mmHg)

1.003 (1.002, 1.004)

< 0.001

1.002 (1.001, 1.003)

< 0.001

1.002 (1.002, 1.003)

< 0.001

HR (beats/min)

1.002 (1.001, 1.004)

0.011

1.003 (1.002, 1.005)

< 0.001

1.002 (1.001, 1.004)

< 0.001

RR (breath/min)

1.009 (1.007, 1.010)

< 0.001

1.004 (1.003, 1.005)

< 0.001

1.006 (1.005, 1.008)

< 0.001

BT (°C)

GCS

0.603 (0.593, 0.613)

< 0.001

0.678 (0.668, 0.688)

< 0.001

0.635 (0.629, 0.642)

< 0.001

EMR-ISS

1.028 (1.025, 1.031)

< 0.001

1.036 (1.033, 1.039)

< 0.001

1.033 (1.031, 1.035)

< 0.001