Aneurysm occlusion status by size
| Aneurysm size | Extent of occlusion at 6-month follow-up | Extent of occlusion at 12-month follow-up | Extent of occlusion at 36-month follow-up | |||||||||
| Complete | Near complete | Incomplete | Number measured | Complete | Near complete | Incomplete | Number measured | Complete | Near complete | Incomplete | Number measured | |
| Small (<5 mm) | 5/10 (50.0%) | 3/10 (30.0%) | 2/10 (20.0%) | 10 | 6/10 (60.0%) | 2/10 (20.0%) | 2/10 (20.0%) | 10 | 6/9 (66.7%) | 1/9 (11.1%) | 2/9 (22.2%) | 9 |
| Medium (5–10 mm) | 21/51 (41.2%) | 22/51 (43.1%) | 8/51 (15.7%) | 51 | 21/48 (43.8%) | 17/48 (35.4%) | 10/48 (20.8%) | 48 | 18/44 (40.9%) | 18/44 (40.9%) | 8/44 (18.2%) | 44 |
| Large (>10 mm) | 0/2 (0%) | 0/2 (0%) | 2/2 (100%) | 2 | 0/2 (0%) | 1/2 (50.0%) | 1/2 (50.0%) | 2 | 0/2 (0%) | 1/2 (50.0%) | 1/2 (50.0%) | 2 |
| Totals by occlusion grade | 26/63 (41.3%) | 25/63 (39.7%) | 12/63 (19.0%) | 63 | 27/60 (45.0%) | 20/60 (33.3%) | 13/60 (21.6%) | 60 | 24/55 (43.6%) | 20/55 (36.4%) | 11/55 (20%) | 55 |