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TABLE 6: Correlation between signal change of MRV and velocity change of flow analysis (left sigmoid sinus)
MR venography Total
RB < BH RB >= BH
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)
		MR venography		Total
		RB < BH	RB >= BH	Total
Flow Analysis	RB < BH	22	15	37
	RB > BH	11	59	70
	Total	33	74	107