| Duration of Hospital Stay after Burr Hole | Frequency | Percent % |
| 1 - 7 days | 6 | 24.0% |
| 8 - 14 days | 9 | 36.0% |
| 15 - 21 days | 3 | 12.0% |
| More than 21 days | 7 | 28.0% |
| Total | 25 | 100.0% |