Baseline characteristics of study groups
| Coil Group | Number of Studied Groups (%) | Mean Aneurysm Size, mm (SD) | Percentage of Initially Ruptured Aneurysms (SD) | Mean Follow-Up Duration, mo (SD) |
|---|---|---|---|---|
| Total | 90 (100) | 8.0 (3.1) | 64 (28) | 18.9 (19.8) |
| Bare platinum | 65 (72) | 8.2 (3.5) | 66 (30) | 22.2 (22.2) |
| Matrix | 8 (8.9) | 7.5 (1.8) | 55 (16) | 9.4 (3.2) |
| HydroCoil | 11 (12) | 7.9 (1.2) | 58 (23) | 10.3 (4.2) |
| Cerecyte | 6 (6.7) | 6.3 (7.9) | 72 (22) | 11.2 (9.0) |