| Angiographic imaging outcome (1 year) | Surgical n=48 | Endovascular n=56 | |
| Follow-up imaging result | |||
| Evidence of residual saccular aneurysm | 3/48 (6.3%) | 6/56 (10.7%) | 0.51 |
| Evidence of residual aneurysm neck | 5/48 (10.4%) | 11/56 (19.6%) | 0.28 |
mRS, modified Rankin Scale.