Preoperative radiological variables used to determine odds of death/survival (dependent on others) versus survivors (independent) following surgical treatment of traumatic brain injury
| Variable | OR | P value | 95% CI |
| Bihemispheric injury | 5.275 | 0.038 | 1.094 to 25.433 |
| Intraventricular or subarachnoid blood | 2.386 | 0.231 | 0.575 to 9.897 |
| Epidural haematoma | 0.389 | 0.337 | 0.056 to 2.675 |
| Compression of the basal cisterns | 1.751 | 0.693 | 0.108 to 28.170 |
| Midline shift >5 mm | 2.134 | 0.412 | 0.348 to 13.079 |