Table 3 Multivariate analyses of morphological characteristics.
Age at diagnosis | Current tobacco use | Years since quit tobacco | Current alcohol use | Female | Hypertension | History of ischemic stroke | Coronary artery disease | Family history of SAH | Family history of aneurysms | |
|---|---|---|---|---|---|---|---|---|---|---|
Intrinsic morphological parameters | ||||||||||
Maximum height | 1.1 | − 0.79 | ||||||||
Perpendicular height | 1.1 | − 0.74 | ||||||||
Aspect ratio | 0.22 | |||||||||
Height/width | 0.02 | |||||||||
Neck diameter | 0.02 | − 0.42 | ||||||||
Irregularity | 0.98 OR | |||||||||
Daughter dome | 0.98 OR | |||||||||
Transitional morphological parameters | ||||||||||
Size ratio | 0.19 | − 0.18 | ||||||||
Flow angle | − 0.24 | |||||||||
Extrinsic morphological parameters | ||||||||||
Ipsilateral A1 | 0.002 | 0.27 | ||||||||
Ipsilateral A2 | − 0.10 | 0.29 | ||||||||
Ipsilateral A1-A2 angle | − 0.21 | 5.8 | ||||||||
Ipsilateral A2-ACoA angle | 0.11 | − | ||||||||
Contralateral A1-A2 angle | − 0.34 | |||||||||
