Table 3.
Logistic regression analysis of invasive ventilation
| Effect | Odds ratio | P value |
|---|---|---|
| Age (years) | 0.99 (0.98–1.01) | 0.22 |
| Cause | 0.10 | |
| Cause fall vs struck | 0.85 (0.31–2.37) | |
| Cause horse vs struck | 1.14 (0.29–4.49) | |
| Cause motor vs struck | 2 (0.73–5.51) | |
| Cause motorcycle vs struck | 1.05 (0.38–2.93) | |
| Cause other vs struck | 1.53 (0.48–4.93) | |
| Cause pedal vs struck | 1.14 (0.36–3.61) | |
| Cause pedestrian vs struck | 1.69 (0.52–5.56) | |
| Year | 0.84 (0.79–0.88) | < 0.001* |
| ISS | 1.08 (1.06–1.09) | < 0.001* |
| Male | 1552 (0.99–2.43) | 0.06 |
| Regional analgesia | 0.94 (0.56–1.56) | 0.80 |
| Thoracic injury | ||
| Pulmonary contusion | 1.02 (0.7–1.49) | 0.91 |
| Haemothorax | 1.59 (1.08–2.35) | 0.02 |
| Pneumothorax | 1.93 (1.29–2.9) | 0.001 |
| Diaphragmatic injury | 1.08 (0.25–4.68) | 0.92 |
| Cardiac contusion | 1.04 (0.35–3.1) | 0.94 |
| SSRF | 4.06 (2.43–6.76) | < 0.001* |
ISS injury severity score, SSRF surgical stabilisation of rib fractures