| Groups | Surgery (n: 36) | Conservative (n: 27) |
| Age (y) | 66 ± 17 | 63 ± 14 |
| Sex (F/M) | 15/21 | 11/16 |
| EVD placement (n/%) | 6 (16%) | 13 (48%) |
| Reoperation | 1 | 4 |
| Hosp/ICU Time (day) | 22 ± 13/12 ± 6 | 53 ± 11/41 ± 9 |
| Mortality | 6 (16.6%) | 5 (18.5%) |