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Independent risk factors associated with death in hospital identified by multivariate logistic regression analysis.
| Risk factors | OR (95% CI) | P value |
|---|---|---|
| ISS score | 3.014 (1.68, 5.40) | <0.001∗ |
| PP | 0.004 (0.00, 0.11) | 0.001∗ |
| P/F when enrolled in the study, mmHg | 0.907 (0.84, 0.98) | 0.009∗ |
CI, confidence interval; ISS, injury severe score; OR, odds ratio; P/F, partial pressure of oxygen in arterial blood/fraction of inspired oxygen; PP, prone position. ∗P < 0.05 for patients with versus without PP.
