| Outcome and prognosis | Craniotomy | Burr Hole |
| Cured | 16 | 14 |
| Improved | 8 | 8 |
| Static | 1 | 1 |
| Deteriorated | 2 | 0 |
| Recurrence | 0 | 1 |
| Died | 2 | 1 |
| Total | 29 | 25 |