Demographic and baseline clinical characteristics of the study population
| Ruptured (n = 33) | Unruptured (n = 29) | |
|---|---|---|
| Age (mean) (range) (yr) | 52.6 (31–79) | 54.5 (37–77) |
| Female | 16 | 16 |
| BMI (mean) | 27.4 | 27.5 |
| Arterial hypertension | 17 (51.5%) | 18 (62%) |
| Current smoking | 22 (66.6%) | 17 (58.6%) |
| Diabetes mellitus | 2 (6%) | 3 (10.3%) |
| Alcohol abuse | 6 (18.1%) | 2 (6.8%) |
| Dyslipidemia | 5 (15.5%) | 9 (31%) |
| Family history of aneurysm | 2 (6%) | 2 (6.8%) |
| Antithrombotic medications | 2 (6%) | 12 (41.3%) |
| WFNS score | ||
| I | 13 (39.3%) | |
| II | 10 (30.3%) | |
| III | 1 (3%) | |
| IV | 3 (9%) | |
| V | 6 (18.1%) | |
| Fisher scale | ||
| 1 | 1 (3%) | |
| 2 | 2 (6%) | |
| 3 | 13 (39.3%) | |
| 4 | 16 (48.4%) | |
| Hydrocephalus | 10 (30.3%) | |
| Aneurysm site | ||
| AcomA | 17 (51.5%) | 13 (44.8%) |
| PcomA | 2 (6%) | 4 (13.7%) |
| Paraclinoid | 2 (6%) | 3 (10.3%) |
| PICA | 1 (3%) | 1 (3.4%) |
| Tip of the basilar artery | 1 (3%) | 5 (17.2%) |
| Terminus of the carotid artery | 0 (0%) | 1 (3.4%) |
| Pericallosal artery | 2 (6%) | 0 (0%) |
| Middle cerebral artery bifurcation | 8 (24.2%) | 2 (6.8%) |
| Aneurysm length (mean) (range) (mm) | 7 (2.5–12) | 7.4 (4–28) |
Note:—BMI indicates body mass index; WFNS, World Federation of Neurologic Societies; AcomA, anterior communicating artery; PcomA, posterior communicating artery.