Patient characteristics
| Patient characteristics | All participants (n=149) |
|---|---|
| Sex | |
| Female | 99 (67%) |
| Age | 50 (23–78) |
| Race | |
| Caucasian | 138 (93%) |
| Modified ranking | |
| 0 | 117 (79%) |
| 1 | 32 (21%) |
| Fisher grade | |
| 1 | 7 (5%) |
| 2 | 38 (26%) |
| 3 | 77 (52%) |
| 4 | 27 (18%) |
| WFNS | |
| 1 | 100 (67%) |
| 2 | 31 (21%) |
| 3 | 9 (6%) |
| 4 | 5 (3%) |
| 5 | 4 (3%) |
| Location of aneurysm | |
| Anterior circulation | 130 (87%) |
| Posterior circulation | 19 (13%) |
| Size of aneurysm | |
| <10 mm | 134 (90%) |
| 10–25 mm | 14 (9%) |
| >25 mm | 1 (1%) |
| Treatment of aneurysm | |
| Coiling | 128 (86%) |
| Clipping | 15 (10%) |
| Conservative | 5 (3%) |
| Failed coiling | 1 (1%) |
| Days from SAH to angiography | 3 (0–8) |
Values are n (%) or median (range).
SAH, subarachnoid hemorrhage; WFNS, World Federation of Neurosurgical Societies.