Multivariate analysis
| Variable | OR (95% CI) | p value |
|---|---|---|
| ISS > 15 | 8.81 (7.05–11.03) | < 0.001 |
| Helicopter transport | 0.41 (0.33–0.49) | < 0.001 |
| Secured airway | 3.43 (2.78–4.24) | < 0.001 |
| Transfusion 6 units | 3.42 (2.53–3.64) | < 0.001 |
| GCS < 8 | 7.79 (6.25–9.70) | < 0.001 |
| Mechanism | ||
| Other (reference) | 1.0 | |
| Fall | 1.52 (1.17–1.99) | 0.002 |
| Gunshot wound | 2.22 (1.84–2.68) | < 0.001 |
CI = confidence interval; ISS = Injury Severity Score; GCS = Glasgow Coma Scale; OR = odds ratio.