Hypoplastic (n = 48) | Dominant (n = 26) | Symmetric (n = 28) | p Value | |
---|---|---|---|---|
Values are number (%) of patients. | ||||
Ten patients with bilateral hypoplastic vertebral artery were excluded. | ||||
*By χ2 test. | ||||
Normal | 7 (14.6) | 23 (88.5) | 26 (92.9) | <0.001* |
Stenosis/occlusion | 41 (85.4) | 3 (11.5) | 2 (7.1) |