Table 5 Number and site of external opening among enrolled patients
From: Magnetic resonance imaging in the workup of patients with perianal fistulas
|  | N = 50 |
|---|---|
Number of external openings | |
Single | 46 (92%) |
Multiple | 4 (8%) |
Site of external opening | |
6–8 O’clock | 35 (70%) |
3–5 O’clock | 13 (26%) |
12–2 O’clock | 5 (10%) |
9–11 O’clock | 2 (4%) |