The Value of Contrast-Enhanced Ultrasound versus Doppler Ultrasound in Grading Renal Artery Stenosis

Table 1

Diagnostic value of DUS and CEUS in renal artery stenosis.

	DSA	DUS		CEUS
		+	-	+	-
+	81	60	21	72	9
-	41	9	32	5	36
Total	122	69	53	77	45
P		0.043		0.424

DSA: digital subtraction angiography; CEUS: contrast-enhanced ultrasound; DUS: Doppler ultrasound. There was a significant difference in grading renal artery stenosis between DUS and DSA (). There was no significant difference in grading renal artery stenosis between CEUS and DSA ().