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Table 5 Unadjusted and adjusted odds ratios for overall mortality

From: Sex-based differences in outcomes after severe injury: an analysis of blunt trauma patients in China

Variable Unadjusted model Adjusted model
OR 95% CI OR 95% CI
Gender
 Male (reference) 1   1  
 Female 0.832 0.715–0.969 0.931 0.883–0.982
Admission GCS 0.635 0.423–0.953 0.593 0.424–0.829
ISS 1.231 1.024–1.480 1.145 1.074–1.220
Age
 13–45 (reference) 1   1  
 45–50 1.534 0.839–2.804 1.928 0.954–3.895
  ≥ 50 3.687 2.015–6.747 4.836 2.160–10.829
Blood transfusion
  < 2 unit 1   1  
 2–4 unit 1.124 0.867–1.214 1.214 0.906–1.521
  > 4 unit 1.421 0.912–1.667 1.503 0.942–1.928
  1. GCS Glasgow Coma Scale, ISS Injury Severity Score, OR odds ratio, CI confidence interval. Confounding variables controlled in regression models include age, ISS, presenting GCS, hypotension (SBP ≤ 90 mmHg), Admission GCS score, intubation status, and the requirement of emergency operative intervention