Clinical and radiologic characteristics of patients
| Characteristics | No. of Cases (%) |
|---|---|
| Mean age (yr) (range) | 57.3 ± 10.5 (41–84) |
| Sex (M/F) | 12:28 |
| Hunt and Hess grade | |
| 1 | 5 (12.5) |
| 2 | 22 (55) |
| 3 | 8 (20) |
| 4 | 5 (12.5) |
| 5 | 0 |
| Fisher grade | |
| 1 | 2 (5) |
| 2 | 10 (25) |
| 3 | 15 (37.5) |
| 4 | 13 (32.5) |
| Clinical outcome (GOS) | |
| 1 | 1 (2.5) |
| 2 | 1 (2.5) |
| 3 | 4 (10) |
| 4 | 4 (10) |
| 5 | 30 (75) |