TABLE 6:

Correlation between signal change of MRV and velocity change of flow analysis (left sigmoid sinus)

		MR venography		Total
		RB < BH	RB >= BH	Total
Flow Analysis	RB < BH	22	15	37
	RB > BH	11	59	70
	Total	33	74	107

Data represent the number of patients.
(RB, regular breathing; BH, breath-holding)