| Variable | Frequency | Percentage (%) |
| Most common type of fistula |
|
|
| Vesico-vaginal fistula | 100 | 100 |
| Estimate the frequency of most common fistula |
|
|
| 6 in every 10 cases | 87 | 87 |
| 4 in every 10 cases | 12 | 21 |
| 1 in every 10 cases | 1 | 1 |