Table 3.
Univariable and multivariable logistic regression for rupture status (N = 200).
| Variables | Univariable | Multivariable | ||
|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Daughter dome | 6.95 (3.69–13.47) | < 0.01 | 5.53 (2.67–11.45) | < 0.01 |
| Aspect ratio | 2.40 (1.42–4.29) | < 0.01 | 2.39 (1.18–4.86) | 0.02 |
| Flow angle | 1.03 (1.02–1.05) | < 0.01 | 1.04 (1.02–1.05) | < 0.01 |
| Parent-daughter angle ratio | 0.18 (0.05–0.56) | < 0.01 | 0.08 (0.02–0.38) | < 0.01 |
| Diameter size ratio (Parent/(D1 + D2)) | 0.02 (0.001–0.41) | 0.01 | 0.01 (0.00–0.35) | 0.01 |
| Irregular | 4.46 (2.39–8.47) | < 0.01 | – | – |
| Posterior projection | 0.58 (0.29–1.14) | 0.12 | – | – |
| Hypoplastic PCoA | ||||
| Unilateral (vs. no) | 0.69 (0.32–1.43) | 0.33 | – | – |
| Bilateral (vs. no) | 0.93 (0.43–1.95) | 0.84 | – | – |
| Aplastic PCoA | ||||
| Unilateral (vs. no) | 0.28 (0.01–1.71) | 0.25 | – | – |
| Bilateral (vs. no) | 1.70 (0.20–1.42) | 0.60 | – | – |
| Fetal PCoA | ||||
| Unilateral (vs. no) | 0.87 (0.24–2.74) | 0.82 | – | – |
| Bilateral (vs. no) | 0.15 (0.001–1.35) | 0.10 | – | – |
| Vertebral dominance | 1.48 (0.73–2.97) | 0.27 | – | – |
| Maximum height in mm | 1.05 (0.98–1.14) | 0.16 | – | – |
| Perpendicular height in mm | 1.05 (0.97–1.13) | 0.23 | – | – |
| Diameter neck in mm | 0.89 (0.75–1.02) | 0.13 | – | – |
| Width aneurysm in mm | 1.00 (0.93–1.08) | 0.95 | – | – |
| Height/width ratio | 3.16 (1.16–9.45) | 0.03 | – | – |
| Daughter diameter ratio (larger/smaller) | 0.25 (0.04–1.11) | 0.09 | – | – |
| Parent artery (basilar artery) diameter | 1.30 (0.89–1.91) | 0.17 | – | – |
| Size ratio | 1.31 (0.90–1.91) | 0.16 | – | – |
| Daughter-daughter angle | 1.01 (0.99–1.02) | 0.29 | – | – |
PCoA = posterior communicating artery.