Altered Hemodynamics Associated with Pathogenesis of the Vertebral Artery Dissecting Aneurysms

Table 3

Data for dominant sides in the three types of the vertebral artery with comparison of affected and nonaffected sides.

		Affected side
		Type I	Type II	Type III
Non-affected side	Type I	11 (2)	7 (3)	17 (1)
	Type II	6 (0)	1 (0)	0 (0)
	Type III	11 (3)	2 (1)	0 (0)
	None	1 (0)	0 (0)	1 (0)
	Total	29 (5)	10 (4)	18 (1)

( ): affected side is nondominant.