Calibration of models
| Model | n | P value |
| Trauma Early Mortality Prediction Tool | 305 | 0.45 |
| Trauma Injury Severity Score (2009) | 305 | 0.11 |
| Trauma Injury Severity Score (1995) | 305 | 0.18 |
| Revised Trauma Score | 305 | 0.04 |
| Glasgow Coma Scale | 305 | 0.045 |
| Injury Severity Score | 305 | 0.26 |