| VARIABLE | FREQUENCY | PERCENTAGE | |
| Parity | 1 | 6 | 27.3% |
| 3 | 4 | 18.2% | |
| 5 | 2 | 9.1% | |
| 6 | 2 | 9.1% | |
| 8 | 4 | 18.2% | |
| 9 | 1 | 4.5% | |
| 10 | 2 | 9.1% | |
| 12 | 1 | 4.5% | |
| Delivery in which fistula occurred | First | 10 | 47.6% |
| Subsequent | 11 | 52.4% | |
| Previous repair | Yes | 17 | 77.3% |
| No | 5 | 22.7% | |
| Number of living children | 0 | 8 | 36.4% |
| 1 | 4 | 18.2% | |
| 2 | 2 | 9.1% | |
| 3 | 4 | 18.2% | |
| 4 | 1 | 4.5% | |
| 7 | 2 | 9.1% | |
| 10 | 1 | 4.5% | |
| Method of delivery | Caesarean | 7 | 31.8% |
| Extraction | 4 | 18.2% | |
| Vaginal-spontaneous | 11 | 50.0% | |