Table 2:
Conditional logistic regression analysis of geometric and morphologic parameters between unruptured and ruptured aneurysms
| Ruptured (n = 63) |
Unruptured (n = 63) |
OR (95% CI) | AOR (95% CI) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| Aneurysm size | ||||||
| ≥4.6 mm | 44 | 69.8 | 23 | 36.5 | 3.625 (1.657–7.929) | – |
| AR | ||||||
| ≥1.6 | 33 | 52.4 | 9 | 14.3 | 13.000 (3.086–54.771) | 9.521 (2.182–41.535) |
| SR | ||||||
| ≥1.7 | 41 | 65.1 | 27 | 39.0 | 2.556 (1.183–5.523) | 0.970 (0.320–2.945) |
| Area ratio | ||||||
| ≥1.5 | 51 | 80.9 | 30 | 47.6 | 6.250 (2.175–17.958) | 4.089 (1.247–13.406) |
| Aneurysm wall | ||||||
| Irregular wall | 50 | 79.4 | 15 | 23.8 | 8.000 (3.157–20.270) | 10.443 (3.394–32.135) |
| Aneurysm shape | ||||||
| Spheric | 31 | 49.2 | 34 | 53.9 | 0.833 (0.420–1.653) | 1.078 (0.499–2.330) |
| Flow angles | ||||||
| Equivalent flow | 6 | 9.5 | 11 | 17.5 | Reference | Reference |
| Straight flow | 43 | 68.3 | 35 | 55.6 | 2.175 (0.728–6.497) | 1.749 (0.505–6.057) |
| Curved flow | 14 | 22.2 | 17 | 27.0 | 1.457 (0.405–5.243) | 2.054 (0.491–8.589) |
Note:—AOR indicates adjusted odds ratios.