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Pre-treatment aneurysm characteristics.
| Unruptured aneurysm | Ruptured aneurysm | P-value | |
|---|---|---|---|
| Diameter, mm (mean±SD) | 8.3±2.8 | 8.3±3.0 | 0.95 (NS) |
| Neck size, mm (mean±SD) | 4.1±1.4 | 3.9±1.3 | 0.65 (NS) |
| Neck morphology (wide), no. (%) | 26 (53.1) | 20 (40.8) | 0.22 (NS) |
| Aspect ratio (mean±SD) | 2.1±0.7 | 1.9±0.6 | 0.21 (NS) |
| Aneurysm morphology, no.(%) | 0.006 | ||
| Smooth | 33 (67.3) | 19 (38.8) | |
| lrregular | 16 (32.7) | 30 (61.2) | |
