Baseline demographics and clinical characteristics
| Baseline demographics and clinical characteristics | Subjects (n=117) |
| Age, mean (range) | 56.6±12.7 (22 to 79) |
| Sex | Female 74.4%, males 25.6% |
| BMI (n=115) | 26.7±5.5 (15.6 to –44.3) |
| Medical history | |
| History of smoking | 59.0% (69/117) |
| Hypertension | 49.6% (58/117) |
| Multiple aneurysms | 38.5% (45/117) |
| Dyslipidemia | 22.2% (26/117) |
| Family history of UIA or SAH | 17.9% (21/117) |
| History of SAH | 17.1% (20/117) |
| Diagnosed with other rare disease/condition | 10.3% (12/117) |
| Diabetes | 8.5% (10/117) |
| Possible excess alcohol use | 6.0% (7/116) |
| Indications | |
| Asymptomatic or incidental aneurysm | 54.7% (64/117) |
| Headache | 34.2% (40/117) |
| Aneurysm(s) with a prior SAH from a separate aneurysm | 6.0% (7/117) |
| Stroke | 1.7% (2/117) |
BMI, body mass index; SAH, subarachnoid hemorrhage; UIA, unruptured intracranial aneurysm.