Clinical variables at admission
| Variable | Endovascular (n = 46) | Surgery (n = 67) |
|---|---|---|
| WFNS grade at admission | ||
| 1 | 18 (39) | 27 (40) |
| 2 | 14 (30) | 23 (34) |
| 3 | 6 (13) | 6 (9) |
| 4 | 3 (6) | 2 (2) |
| 5 | 3 (6) | 9 (13) |
| 6 | 2 (4) | 2 (2) |
| Aneurysm size (mm) | ||
| <2 | 0 (0) | 2 (3) |
| 2–5 | 24 (52) | 32 (48) |
| 6–10 | 18 (39) | 24 (36) |
| >10 | 4 (9) | 9 (13) |
| Width of aneurysm neck (mm)* | ||
| <1 | 8 (17) | 10 (15) |
| 1–4 | 29 (63) | 29 (43) |
| >4 | 9 (20) | 28 (42) |
| CT Fisher grade | ||
| No blood | 3 (6) | 9 (13) |
| <1 mm | 2 (4) | 5 (7) |
| >/= 1 mm | 9 (20) | 20 (30) |
| Intraventricular or intraparenchymal | 32 (70) | 33 (49) |
| Vasospasm | ||
| No spasm | 24 (52) | 28 (42) |
| Vasospasm | 22 (48) | 39 (58) |
Note.—Data are number (%) of patients.
* Significantly more wide-necked aneurysms were treated surgically (χ2 P = .043).