Results of a multivariable logistic regression model predicting 30-day mortality in patients with traumatic brain injury admitted to the intensive care unit
| Predictor variable | OR | 95% CI | P value |
| Admitted to the trauma vs. neuroscience ICU | 0.30 | 0.11 to 0.82 | 0.019 |
| Age (years) | 1.01 | 0.98 to 1.03 | 0.268 |
| ISS score | 1.12 | 1.07 to 1.18 | <0.001 |
| High-speed mechanism of injury | 0.96 | 0.35 to 2.69 | 0.942 |
| Field intubation | 4.99 | 1.91 to 12.99 | 0.001 |
| Fixed or unequal admission pupils | 2.87 | 1.10 to 7.49 | 0.031 |
ICU, intensive care unit; ISS, Injury Severity Score.