Table 5: Distribution of basilar artery atherosclerotic plaque.

Asymptomatic () (%)Symptomatic () (%)

Ventral20.8 (5)39.3 (13)
Dorsal8.3 (2)12.1 (4)
Left33.3 (8)15.1 (5)
Right25.0 (6)12.1 (4)
≥2 arcs12.5 (3)21.2 (7)