Table 4.
Univariable and multivariable logistic regression for Hunt-Hess score and Fisher grade in ruptured basilar artery aneurysms (N = 71*).
| Variables | Hunt-HESS score | Fisher grade | ||||||
|---|---|---|---|---|---|---|---|---|
| Univariable | Multivariable | Univariable | Multivariable | |||||
| Coef (95% CI) | P value | Coef (95% CI) | P value | Coef (95% CI) | P value | Coef (95% CI) | P value | |
| Daughter dome | − 0.02 (− 0.88 to 0.83) | 0.96 | – | – | − 1.05 (− 2.03 to − 0.06) | 0.04 | − 0.95 (− 1.96 to 0.06) | 0.06 |
| Aspect ratio | 0.18 (− 0.47 to 0.84) | 0.59 | – | – | 0.60 (− 0.25–1.44) | 0.17 | - | - |
| Flow angle | − 0.01 (− 0.04 to 0.01) | 0.37 | - | – | − 0.03 (− 0.06 to − 0.004) | 0.03 | − 0.03 (− 0.06 to − 0.001) | 0.04 |
| Parent-daughter angle ratio | 2.05 (0.08 to 4.03) | 0.04 | 1.99 (− 0.08 to 4.06) | 0.06 | 0.16 (− 1.94 to 2.27) | 0.88 | – | – |
| Diameter size ratio (Parent/(D1 + D2)) | 6.32 (2.52 to 10.1) | < 0.01 | 6.19 (2.42–9.95) | < 0.01 | 3.02 (− 0.95 to 6.98) | 0.14 | – | – |
| Irregular | 0.32 (− 0.52 to 1.16) | 0.45 | – | – | 0.01 (− 0.89 to 0.91) | 0.98 | – | – |
| Posterior projection | 0.15 (− 0.89 to 1.18) | 0.78 | – | – | 0.44 (− 0.74 to 1.63) | 0.46 | – | – |
| Hypoplastic PCoA | ||||||||
| Unilateral (vs. no) | − 0.44 (− 1.60 to 0.71) | 0.45 | – | – | − 0.89 (− 2.04 to 0.25) | 0.13 | – | – |
| Bilateral (vs. no) | 0.61 (− 0.52 to 1.74) | 0.29 | – | – | − 0.41 (− 1.62 to 0.80) | 0.51 | – | – |
| Aplastic PCoA | ||||||||
| Unilateral (vs. no) | − 15.6 (− 3002 to 2971) | 0.99 | – | – | − 3.49 (− 6.97 to − 0.01) | 0.049 | – | – |
| Bilateral (vs. no) | − 1.37 (− 3.8 to 1.12) | 0.28 | – | – | 0.10 (− 2.43 to 2.62) | 0.94 | – | – |
| Fetal PCoA | ||||||||
| Unilateral (vs. no) | 0.20 (− 1.78 to 2.17) | 0.84 | – | – | − 0.24 (− 2.13– to 0.64) | 0.80 | – | – |
| Bilateral (vs. no)** | – | – | – | – | – | – | – | – |
| Vertebral dominance | 0.02 (− 0.98 to 1.02) | 0.97 | – | – | 0.32 (− 0.79 to 1.43) | 0.58 | – | – |
| Maximum height in mm | 0.05 (− 0.07 to 0.17) | 0.40 | – | – | 0.02 (− 0.10 to 0.15) | 0.72 | – | – |
| Perpendicular height in mm | 0.03 (− 0.08 to 0.15) | 0.57 | – | – | 0.02 (− 0.11 to 0.15) | 0.74 | – | – |
| Diameter neck in mm | 0.17 (− 0.42 to 0.23) | 0.56 | – | – | − 0.36 (− 0.71 to − 0.02) | 0.04 | – | – |
| Width aneurysm in mm | 0.02 (− 0.12 to 0.15) | 0.80 | – | – | − 0.05 (− 0.20 to 0.09) | 0.47 | – | – |
| Height/width ratio | − 0.23 (− 1.41 to 0.95) | 0.70 | – | – | 1.18 (− 0.64 to 3.00) | 0.21 | – | – |
| Daughter diameter ratio (larger/smaller) | 2.62 (0.01–5.23) | 0.049 | – | – | 1.60 (− 1.34 to 4.54) | 0.29 | – | – |
| Parent artery (basilar artery) diameter | − 0.35 (− 1.37 to 0.67) | 0.50 | – | – | − 0.24 (− 1.25 to 0.76) | 0.64 | – | – |
| Size ratio | 0.25 (− 0.37 to 0.87) | 0.43 | – | – | 0.05 (− 0.57 to 0.67) | 0.88 | – | – |
| Daughter-daughter angle | 0.002 (− 0.02 to 0.02) | 0.82 | – | – | − 0.01 (− 0.03 to 0.02) | 0.56 | – | – |
*71 patients with available Hunt-Hess scores and Fisher grades.
**No ruptured aneurysm had bilateral fetal PCoAs.