Arterial localization and percentage of aneurysm occlusion (O’Kelly–Marotta (OKM) C–D) ascribed to each location in the 156 patients with arterial monitoring data
| Total n=185 (%) | Aneurysm occlusion n=156 (% of subgroup) | |
| Cervical carotid | 3 (1.6) | 1/1 (100) |
| Carotid siphon | 85 (45.9) | 63/71 (88.7) |
| Middle cerebral | 25 (13.5) | 17/22 (77.3) |
| Posterior communicating | 21 (11.4) | 14/18 (77.8) |
| Anterior communicating | 18 (9.7) | 14/15 (93.3) |
| Basilar | 12 (6.5) | 7/10 (70) |
| Anterior choroidal | 5 (2.7) | 3/4 (75) |
| Posterior inferior cerebellar | 5 (3) | 5/5 (100) |
| Anterior cerebral | 3 (1.6) | 3/3 (100) |
| Posterior cerebral | 3 (1.6) | 3/3 (100) |
| Vertebral | 5 (2.7) | 4/5 (75) |