Patient and aneurysm characteristics
| Surgical Group (No.) (%) | Endovascular Group (No.) (%) | |
|---|---|---|
| No. of patients | 173 (42.9) | 230 (57.1) |
| Male/female | 52 (30.1)/121 (69.9) | 68 (29.6)/162 (70.4) |
| Age (yr) (mean) | 17–77 (53.1) | 16–97 (53.6) |
| No. of aneurysms treated | 199 | 244 |
| No. of aneurysms treated per patient | ||
| 1 | 153 (88.4) | 218 (94.8) |
| 2 | 16 (9.2) | 10 (4.3) |
| 3 | 3 (1.7) | 2 (0.9) |
| 5 | 1 (0.6) | – |
| Size of treated aneurysm | ||
| Small (<5 mm) | 96 (48.2) | 98 (40.2) |
| Medium (5–15 mm) | 90 (45.2) | 136 (55.7) |
| Large (15–25 mm) | 13 (6.5) | 10 (4.1) |
| Aneurysm morphology | ||
| Saccular | 198 (99.5) | 242 (99.2) |
| Dissecting | – | 1 (0.4) |
| Fusiform | 1 (0.5) | 1 (0.4) |