Research Article
3D-EAUS and MRI in the Activity of Anal Fistulas in Crohn’s Disease
Table 1
Type of perianal fistulas, according to Parks classification, observed with 3D-EAUS and MRI.
| Location | 3D-EAUS Number of patients (%) | MRI Number of patients (%) | Hypothesis | McNemar’s exact test ( value) |
| Intersphincteric | 23 (45.10) | 3 (5.88) | MRI < 3D-EAUS | 10−6 | Transsphincteric | 12 (23.53) | 10 (19.61) | MRI < 3D-EAUS | 0.344 | Suprasphincteric | 4 (7.84) | 11 (21.57) | MRI > 3D-EAUS | 0.0327 | Extrasphincteric |
3 (5.88) | 21 (41.18) | MRI > 3D-EAUS | 4 ⊕ 10−6 | Absence of pathology | 9 (17.65) | 6 (11.76) | MRI < 3D-EAUS | 0.187 | Total | 51 (100) | 51 (100) | MRI > 3D-EAUS | |
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