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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