Table 1.

Logistic Regression Preliminary to Basilar Artery on Computed Tomography Angiography Score

OR (95% CI)P Value
Vertebral artery1.1 (0.5–2.2)0.8
Proximal basilar artery1.6 (0.4–7.3)0.6
Middle basilar artery2.8 (0.9–8.8)0.07
Distal basilar artery1.2 (0.3–5.6)0.8
Posterior cerebral arteries2.0 (0.6–8.2)0.2
Absence of PComs (unilateral or bilateral)6.8 (2–21)0.001
  • CI indicates confidence interval; OR, odds ratio; and PCom posterior communicating artery.