Table 2 St James’s University Hospital Classification of anal fistulas after MRI
From: Dynamic contrast-enhanced MR imaging in identifying active anal fistula after surgery
Total | Classification | p | ||||
|---|---|---|---|---|---|---|
n | Grade 1 | Grade 2 | Grade 3 | Grade 4 | ||
Active fistula | 23 | 11(47.83%) | 11(47.83%) | 1(4.34%) | 0(0.00%) | 0.368 |
Postoperative healing/granulation tissue | 22 | 9(40.91%) | 9(40.91%) | 2(9.09%) | 2(9.09%) |