Table 6 Number and site of internal opening among enrolled patients
From: Magnetic resonance imaging in the workup of patients with perianal fistulas
|  | N = 50 |
|---|---|
No. of internal opening | |
Single | 45 (90%) |
Multiple | 5 (10%) |
Site of internal opening | |
6–8 O’clock | 27 (54%) |
3–5 O’clock | 8 (16%) |
12–2 O’clock | 14 (28%) |
9–11 O’clock | 6 (12%) |