No. of patients | 110 |
Proportion of women | 58% |
Age (years) | 55.7 (12–82) |
Aneurysm location | |
Anterior circulation | 70 (64%) |
Posterior circulation | 40 (36%) |
Type of aneurysm | |
Saccular | 30 (27%) |
Fusiform | 15 (14%) |
Blister | 47 (43%) |
Dissecting | 18 (16%) |
Mean maximal diameter (mm) | 4.8 (2–25) |
Subarachnoid hemorrhage characteristics | |
WFNS 1–3 | 80 (73%) |
Fisher 4 | 64 (58%) |
External ventricular drain | |
Before intervention | 51 (46%) |
After intervention | 9 (8%) |
WFNS, World Federation of Neurosurgical Societies.