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Detection of the presence of dural AVF by MR imaging alone and by MR imaging plus MR angiography
Sensitivity(%) Specificity (%) Accuracy (%)
MRI MRI + MRA MRI MRI + MRA MRI MRI + MRA
R1 85 85 91 82 87 84
R2 90 100 82 82 87 94
R3 85 80 100 82 90 81
Note.—MMRI indicates MR imaging only; MRI + MRA, MR imaging plus MR angiography; R, reviewer.
	Sensitivity(%)		Specificity (%)		Accuracy (%)
	MRI	MRI + MRA	MRI	MRI + MRA	MRI	MRI + MRA
R1	85	85	91	82	87	84
R2	90	100	82	82	87	94
R3	85	80	100	82	90	81