| Elective | Emergency | Total | |
| Male | 44 | 2 | 46 |
| Female | 58 | 3 | 61 |
| mean age (±SD) | 49 (±20) | 25 (±11) | 48 (±20) |
| Glioma | 46 | 2 | 48 |
| Meningioma | 29 | 0 | 29 |
| Metastasis | 8 | 1 | 9 |
| Other | 5 | 0 | 5 |
| AVM | 7 | 1 | 8 |
| Cavernoma | 7 | 1 | 8 |
| Total | 102 | 5 | 107 |