Subject and aneurysm baseline characteristics
| Characteristics | Mean±SD or N (%) (n=145) | (Median) (min, max) | |
| Age (years) | 59.1±11.5 | (60.1) (23.9, 82.9) | |
| Female | 129 (89%) | ||
| Race | |||
| White | 104 (71.7%) | ||
| Black | 24 (16.6%) | ||
| Asian | 7 (4.8%) | ||
| Native American | 1 (0.7%) | ||
| Other | 9 (6.2%) | ||
| Prior Stroke | 5 (3.4%) | ||
| Hypertension | 90 (62.1%) | ||
| Hyperlipidemia | 64 (44.1%) | ||
| Diabetes mellitus | 14 (9.7%) | ||
| Multiple aneurysms | 36 (24.8%) | ||
| Family history of aneurysm | 34 (23.4%) | ||
| Tobacco use | 48 (33.1%) | ||
| mRS score | |||
| 0 | 103 (71.0%) | ||
| 1 | 31 (21.4%) | ||
| 2 | 9 (6.2%) | ||
| 3 | 2 (1.4%) | ||
| Aneurysm location | Total | Fusiform | Saccular |
| Cavernous carotid | 41 (28.3%) | 10 | 31 |
| Ophthalmic | 50 (34.5%) | 2 | 48 |
| Supraclinoid carotid | 10 (6.9%) | 2 | 8 |
| Superior hypophyseal | 14 (9.7%) | 1 | 13 |
| PComA segment | 20 (13.8%) | 20 | 0 |
| Anterior cerebral | 2 (1.4%) | 1 | 1 |
| Anterior communicating | 2 (1.4%) | 0 | 2 |
| Vertebral | 2 (1.4%) | 1 | 1 |
| PICA | 2 (1.4%) | 1 | 1 |
| Basilar | 2 (1.4%) | 0 | 2 |
| Previously ruptured | 8 (5.5%) | ||
| Prior treatment | |||
| Clipped | 2 (1.4%) | ||
| Coiled | 23 (15.9%) | ||
| Aneurysm dome height | 11.5±4.7 | (10.2)(3.7, 29.0) | |
| No >10 mm | 106 (73.1%) | ||
mRS, modified Rankin Scale; PComA, posterior communicating artery; PICA, posterior inferior cerebellar artery.