Table 1 Patients’ Characteristics.
From: Ultrasound assessment of low type intersphincteric perianal fistulas in Yemen
Variable | Number (n = 549) | Percentage (%) |
|---|---|---|
Gender | ||
Male | 461 | 83.97 |
Female | 88 | 16.03 |
Age groups (Years) | ||
< 20 | 51 | 9.30 |
21–40 | 310 | 56.47 |
41–60 | 175 | 31.88 |
> 60 | 13 | 2.37 |
Number of fistulas per patient | ||
1 | 518 | 94.35 |
2 | 31 | 5.65 |
