Table 1 Demographic features of PIA and NIA groups
From: Diffusion-weighted imaging in the evaluation of perianal fistula and abscess
PIA | NIA | Significance level | |
|---|---|---|---|
Age | 38.4 ± 10 years | 35 ± 6.6 years | 0.2 |
Gender | 17 males, 1 female | 18 males, 2 females | 0.55 |
St. James’s University Hospital grade | Grade 1: 6 | Grade 1: 15 | 0.015 |
Grade 2: 4 | Grade 2: 0 | ||
Grade 3: 1 | Grade 3: 3 | ||
Grade 4: 5 | Grade 4: 0 | ||
Grade 5: 4 | Grade 5: 2 | ||
Extra-sphincteric: 2 | Extra-sphincteric: 3 |