Baseline aneurysm (n = 102) characteristics
| Aneurysm | No. (%) | Unruptured | Ruptured |
|---|---|---|---|
| Total | 102 (100%) | 65 (100%) | 37 (100%) |
| Anterior circulation | 88 (86.3%) | 60 (92.3%) | 28 (75.7%) |
| Posterior circulation | 14 (13.7%) | 5 (7.7%) | 9 (24.3%) |
| AcomA | 33 (32.4%) | 21 (32.3%) | 12 (32.4%) |
| MCA | 44 (43.1%) | 34 (52.3%) | 10 (27.1%) |
| AchA | 1 (1.0%) | 0 (0.0%) | 1 (2.7%) |
| ICA-T | 7 (6.9%) | 5 (7.7%) | 2 (5.4%) |
| PcomA | 3 (2.9%) | 0 (0.0%) | 3 (8.1%) |
| BA tip | 12 (11.8%) | 4 (6.2%) | 8 (21.6%) |
| SCA | 2 (1.9%) | 1 (1.5%) | 1 (2.7%) |
Note:—AchA indicates anterior choroidal artery; AcomA, anterior communicating artery; BA, basilar artery; ICA-T, terminus of internal carotid artery; PcomA, posterior communicating artery; SCA, superior cerebellar artery.