Initial Glasgow Coma Scale (GCS) change by intervention group
| Initial GCS | Hour 6 GCS | Hour 24 GCS | |
| No intervention (75 patients) | 14.6 | 14.6 | 14.6 |
| Surgical intervention (6 patients) | 15 | 13.1 | 13 |
| Δ 0–6 hours | Δ 6–24 hours | Δ 0–24 hours | |
| No intervention (75 patients) | 0.06±0.47 | −0.01± 0.82 | 0.06±0.86 |
| Surgical intervention (6 patients) | −1.8±2.7 | −0.12±2 | −2±3 |
| P value | 0.09 | 0.44 | 0.09 |