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Table 2 Univariable and multivariable logistic regression analyses of mortality

From: The elderly age criterion for increased in-hospital mortality in trauma patients: a retrospective cohort study

Variable

Univariable

Multivariable 1

Multivariable 2

OR (95% CI)

p-value

OR (95% CI)

p-value

OR (95% CI)

p-value

Age (years)

1.042 (1.040–1.043)

< 0.001

1.050 (1.047–1.053)

< 0.001

1.050 (1.047–1.053)

< 0.001

Female

0.616 (0.584–0.650)

< 0.001

0.787 (0.712–0.869)

< 0.001

0.791 (0.717–0.873)

< 0.001

Trauma mechanism

      

Motor vehicle collision

Reference

Fall

0.637 (0.603–0.674)

< 0.001

1.076 (0.962–1.202)

0.199

1.078 (0.965–1.204)

0.185

Blunt injury

0.103 (0.091–0.117)

< 0.001

0.457 (0.371–0.563)

< 0.001

0.462 (0.375–0.568)

< 0.001

Penetrating injury

0.154 (0.130–0.183)

< 0.001

0.678 (0.504–0.913)

0.499

0.676 (0.502–0.909)

0.010

Othera

0.294 (0.273–0.317)

< 0.001

0.631 (0.548–0.727)

< 0.001

0.629 (0.546–0.725)

< 0.001

Vital signs

      

SBP (mmHg)

0.970 (0.969–0.970)

< 0.001

0.989 (0.987–0.990)

< 0.001

0.988 (0.987–0.990)

< 0.001

DBP (mmHg)

0.971 (0.970–0.972)

< 0.001

1.002 (1.001–1.003)

< 0.001

1.002 (1.001–1.003)

< 0.001

HR (beats/min)

0.989 (0.988–0.991)

< 0.001

1.003 (1.002–1.004)

< 0.001

1.003 (1.002–1.004)

< 0.001

RR (breath/min)

1.005 (1.005–1.005)

< 0.001

1.007 (1.005–1.008)

< 0.001

1.007 (1.006–1.008)

< 0.001

BT (℃)

1.003 (1.002–1.003)

< 0.001

1.000 (0.999–1.001)

0.737

  

GCS

0.565 (0.561–0.570)

< 0.001

0.637 (0.630–0.644)

< 0.001

0.637 (0.630–0.644)

< 0.001

EMR-ISS

1.073 (1.072–1.074)

< 0.001

1.032 (1.030–1.035)

< 0.001

1.032 (1.030–1.035)

< 0.001

  1. aOther contains the low-frequency injury mechanisms, such as explosions or foreign bodies
  2. BT, body temperature; CI, confidence interval; DBP, diastolic blood pressure; EMR-ISS, excess mortality ratio–adjusted Injury Severity Score; GCS, Glasgow Coma Scale; HR, heart rate; OR, odds ratio; RR, respiratory rate; SBP, systolic blood pressure