Aneurysm characteristics
| Aneurysm characteristics | n=122 |
| Location | |
| Internal carotid artery | 27.9% (34/122) |
| Anterior communicating artery | 22.1% (27/122) |
| Middle cerebral artery | 9.8% (12/122) |
| Posterior communicating artery | 9.0% (11/122) |
| Basilar artery | 8.2% (10/122) |
| Anterior cerebral artery | 3.3% (4/122) |
| Anterior choroidal artery | 2.5% (3/122) |
| Posterior cerebral artery | 1.6% (2/122) |
| Other | 15.6% (19/122) |
| Aneurysm height (mm) | 5.7±2.6 (1.5 to 15) |
| Aneurysm neck width (mm) | 3.5±1.4 (1.2 to 9.2) |
| Dome to neck ratio | 1.7±0.4 (0.8 to 3.0) |
| Relationship to parent wall | |
| Bifurcation | 41.0% (50/122) |
| Sidewall | 59.0% (72/122) |