Table 1:

Prevalence of anatomic variants in the CoW

CoW Configuration (n = 96)	Absent/Hypoplastic Vascular Components	%
Textbook type	None	10
Variant anatomy	PcomA	73
	AcomA	25
	P1	24
	VA	21
	A1	16
	P1, VA, and/or A1 combined	46