TABLE 1:

Location of lesions in each group

LocationGroup, n (%)
III
Internal carotid artery
Posterior communicating artery7 (12.0)
Carotid bifurcation3 (5.1)
Ophthalmic artery26 (44.0)
Middle cerebral artery (M1)2 (3.3)
Intracavernous11 (18.7)
Posterior inferior cerebellar artery1 (6.5)
Basilar artery7 (11.9)10 (62.5)
Basilar artery (P1 origin)1 (1.7)1 (6.25)
Vertebral artery (V4)2 (3.3)4 (25.0)
    Total5916