To Evaluate and Explain the Consequences of Abnormal Anal Sphincter Morphology Using the 3-Dimensional Endosonography

Table 2

Extent of internal anal sphincter defects, the number of cases, and the severity of symptoms.

IAS defects	Severity of FI symptoms
	Mild		Severe		Total
		%		%		%
Fragmentation	3	100.0	0	0.0	3	100.0
IAS defect <25%	3	50.0	3	50.0	6	100.0
IAS defect >25%	3	100.0	0	0.0	3	100.0
Total	9	75.0	3	25.0	12	100.0

; value = 0.135 (>0.05—nonsignificant).