3D-EAUS and MRI in the Activity of Anal Fistulas in Crohn’s Disease

Table 3

Proportion of positive patients to 3D-EAUS and MRI in the diagnosis of primary tract of anal fistulas, secondary extensions, and abscess and test with Yates correction.

	MRI %	3D-EAUS %	Hypothesis	test ( value)
Primary tract	58.82 (30)	52.94 (27)	MRI > 3D-EAUS	0.55
Secondary extension	86.27 (44)	80.39 (41)	MRI > 3D-EAUS	0.42
Abscess	15.69 (8)	5.88 (3)	MRI > 3D-EAUS	0.11