Baseline characteristics and recurrence and retreatment rates: ruptured aneurysms of ≤10 mm
| Statin Group | Nonstatin Group | P Value | |
|---|---|---|---|
| No. | 16 | 116 | – |
| Mean age (SD) (yr) | 70.2 (9.0) | 57.0 (11.7) | <.0001 |
| No. (%) women | 12 (75.0) | 77 (66.4) | .58 |
| No. (%) hypertension | 10 (62.5) | 61 (52.6) | .59 |
| No. (%) diabetes | 3 (18.8) | 10 (8.6) | .20 |
| No. (%) current smoker | 3 (18.8) | 41 (35.3) | .19 |
| Aneurysm location | |||
| ICA (No.) (%) | 6 | 41 | .88 |
| ACA/AcomA (No.) (%) | 9 | 50 | |
| MCA (No.) (%) | 0 | 7 | |
| VBA (No.) (%) | 1 | 16 | |
| Other (No.) (%) | 0 | 2 | |
| Mean size (SD) (mm) | 5.4 (1.8) | 5.6 (2.0) | .63 |
| Initial occlusion | |||
| Complete | 8 (5.0) | 60 (51.7) | .51 |
| Residual neck | 6 (37.5) | 50 (43.1) | |
| Residual aneurysm | 2 (12.5) | 6 (5.2) | |
| Balloon assistance | 4 (25.0) | 18 (15.5) | .31 |
| Mean follow-up (months) | 23.4 (14.4) | 25.1 (25.4) | .59 |
| No. (%) recurrence | 1 (6.3) | 42 (36.2) | .02 |
| No. (%) retreatment | 1 (6.3) | 30 (25.9) | .08 |
Note:—ACA indicates anterior cerebral artery; AcomA, anterior communicating artery; VBA, vertebrobasilar arteries; –, no P value.