Distribution of aneurysms and treatment details
| Aneurysm location | n | Ruptured | AP medication | Recurrence/retreatment | Initial occlusion |
| ACA | 87 | n=72 (82.8%) | ASA n=15CLOP n=1Both n=4 | n=22 (25.3%)/n=15 (17.2%) | Complete n=49Res. neck n=33Res. dome n=5 |
| ICA | 112 | n=55 (49.1%) | ASA n=32CLOP n=4Both n=20 | n=34 (30.4%)/n=15 (14.4%) | Complete n=59Res. neck n=48Res. dome n=5 |
| MCA | 26 | n=15 (57.7%) | ASA n=6CLOP n=2Both n=3 | n=10 (38.5%)/n=8 (30.8%) | Complete n=14Res. neck n=11Res. dome n=1 |
| BA | 65 | n=44 (67.7%) | ASA n=3CLOP n=3Both n=15 | n=35 (53.8%)/n=19 (29.2%) | Complete n=38Res. neck n=22Res. dome n=5 |
| Other | 24 | n=20 (83.3%) | ASA n=4CLOP n=0Both n=6 | n=6 (25.0%)/n=4 (16.7%) | Complete n=14Res. neck n=9Res. dome n=1 |
| Total | 314 | n=206 (65.5%) | ASA n=70CLOP n=10Both n=48 | n=107 (34.1%)/n=61 (19.4%) | Complete n=174Res. neck n=123Res. dome n=17 |
ACA, anterior cerebral artery including anterior communicating artery; AP, antiplatelet; ASA, acetyl salicyclic acid; BA, basilar artery; CLOP, clopidogrel; ICA, internal carotid artery including posterior communicating artery; MCA, middle cerebral artery; res, residual.