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Multivariable predictive model
| Predictor | Odds ratio (95% CI) | z -score |
|---|---|---|
| Agea |
1.0 (1.0, 1.0) |
1.80 |
| Number of rib fracturesb |
1.5 (1.3, 1.9) |
4.21 |
| Chronic lung disease |
2.2 (1.2, 4.1) |
2.50 |
| Pre-injury anticoagulants |
1.9 (1.0, 3.7) |
1.91 |
| Oxygen saturationsc | 0.9 (0.9, 1.0) | −1.55 |
aPer one year increase; bper one fracture increase; cper 1% decrease of oxygen saturations.
