Descriptive data for the study population
| Patient Characteristics | Type of Aneurysm | |
|---|---|---|
| Unruptured | Ruptured | |
| Number of patients (n = 295) | 53 | 242 |
| Number of aneurysms (n = 300) | 56 | 244 |
| Mean (SD) age (y) | 52.7 (9.6) | 53.9 (12.4) |
| Median (IQR) age (y) | 55.0 (13.5) | 53.0 (17) |
| Age range (y) | 29–72 | 21–84 |
| No. of women (%) | 38 (73.1) | 158 (65.3) |
| WFNS scale, n (%) | ||
| 1 | − | 136 (56.2) |
| 2 | − | 38 (15.6) |
| 3 | − | 25 (10) |
| 4 | − | 21 (8.6) |
| 5 | − | 22 (9.1) |
| Fisher grade, n (%) | ||
| I | − | 11 (4.5) |
| II | − | 20 (8.3) |
| III | − | 103 (42.6) |
| IV | − | 108 (44.6) |