[Retracted] The Value of Transrectal Ultrasound in the Preoperative Diagnosis of Complex Anal Fistula (CAF): Based on a Retrospective Cohort Study

Table 5

Detection of intersphincter AF by three methods.

Surgical results	Ultrasonic examination		MRI check		Ultrasound+MRI		Total
	+	-	+	-	+	-
+	30	15	32	13	45	0	45
-	11	72	6	77	0	83	83
Total	41	87	38	90	45	83	128