Baseline patient and aneurysm characteristics
| Characteristic | Frequency (n=41) |
| Age (years) | 56.7 (37–83) |
| Sex | |
| Female | 22 (53.6%) |
| Male | 19 (46.4%) |
| Mean admission GCS | 13.7 (7–15) |
| Ruptured aneurysms | 23 (56.1%) |
| Mean admission Fisher scale | 2.2 (range I–IV) |
| Mean admission H&H grade | 1.5 (1–5) |
| Aneurysm location | |
| Anterior circulation | 39 (95.1%) |
| ICA | 4 (9.75%) |
| Ophthalmic segment | 1 (2.4%) |
| Terminus | 3 (7.3%) |
| PComA/ICA bifurcation | 9 (21.9%) |
| AComA | 11 (26.8%) |
| MCA | 15 (36.6%) |
| Posterior circulation | 2 (4.9%) |
| Basilar artery | 2 (4.9%) |
| Aneurysm morphology | |
| Saccular | 41 (100%) |
| Aneurysm size (mm) | 8.3 (2.76–21) |
| Small (<10 mm) | 27 (65.9%) |
| Large (≥10 and <20 mm) | 12 (29.3%) |
| Giant (≥20 mm) | 2 (4.9%) |
| Diameter (mm) | 8.3 (2.76–21) |
| Neck width (mm) | 5.2 (3.6–8.1) |
Data are n (%) or mean (range).
AcomA, anterior communicating artery; GCS, Glasgow Coma Scale; H&H, Hunt and Hess; ICA, internal carotid artery; MCA, middle cerebral artery; PComA, posterior communicating artery.