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Patient characteristics
| RIA | UIA | VSP | |
|---|---|---|---|
| Patients, n | 25 | 10 | 5 |
| Average age ± SD, years | 52.3 ± 12.0 | 50 ± 12.6 | 48 ± 10.6 |
| Women, n/total n | 19/25 (76%) | 9/10 (90%) | 4/5 (80%) |
| Aneurysm size ≥10 mm, n/total n | 12/25 (48%) | 1/10 (10%) | none |
| Hunt-Hess grade ≥4, n/total n | 9/25 (36%) | none | 1/5 (20%) |
| Fisher grade ≥3, n/total n | 17/25 (68%) | none | 3/5 (60%) |
| Coil compaction, n/total n | n/a | 3/10 (30%) | n/a |
| Posterior circulation, n/total n | 5/25 (20%) | 4/10 (40%) | 2/5 (40%) |
