Table 2 Clinical features in correlation with failure of surgical closure in patients with obstetric rectovaginal fistula in the Democratic Republic of the Congo (N = 268)
Variable | Result of surgical closure of obstetric rectovaginal fistula | Total (N = 268) | Crude odds ratio [95% confidence interval] | p-value | |||
|---|---|---|---|---|---|---|---|
Failed (n = 33) | Success (n = 235) | ||||||
Age of fistula at closure | Â | Â | Â | Â | Â | Â | Â |
< 1 year | 5 | 9.43% | 48 | 90.57% | 53 | 1.00 |  |
1–5 years | 9 | 11.54% | 69 | 88.46% | 78 | 1.25 [0.39–3.97] | 0.9247 |
> 5 years | 19 | 13.87% | 118 | 86.13% | 137 | 1.55 [0.55–4.37] | 0.5607 |
Previous attempts of surgical closure | Â | Â | Â | Â | Â | Â | Â |
No | 18 | 12.00% | 132 | 88.00% | 150 | 1.00 | Â |
≥ 1 | 15 | 12.71% | 103 | 87.29% | 118 | 1.07 [0.51–2.22] | 1.0000 |
Number of ORVF in the same patient | Â | Â | Â | Â | Â | Â | Â |
1 | 9 | 4.89% | 175 | 95.11% | 184 | 1.00 | Â |
≥ 2 | 24 | 28.57% | 60 | 71.43% | 84 | 7.78 [3.42–17.67] |  < 0.0001 |
Combination of ORVF with other types of fistulas in the same patient | Â | Â | Â | Â | Â | Â | Â |
No | 13 | 6.74% | 180 | 93.26% | 193 | 1.00 | Â |
Yes | 20 | 26.67% | 55 | 73.33% | 75 | 5.04 [2.35–10.77] |  < 0.0001 |
Presence of fibrosis | Â | Â | Â | Â | Â | Â | Â |
Mild | 1 | 0.81% | 123 | 99.19% | 124 | 1.00 | Â |
Moderate/severe | 32 | 22.22% | 112 | 77.78% | 144 | 34.85 [5.63–1442.23] |  < 0.0001 |
Post-operative complications | Â | Â | Â | Â | Â | Â | Â |
No | 10 | 4.39% | 218 | 95.61% | 228 | 1.00 | Â |
Per-operative haemorrhage | 6 | 27.27% | 16 | 72.73% | 22 | 8.17 [2.63–25.36] | 0.0002 |
Post-operative infection | 17 | 94.44% | 1 | 5.56% | 18 | 340.91 [45.80–5541.47] |  < 0.0001 |
Fistula size | Â | Â | Â | Â | Â | Â | Â |
≤ 3 cm | 8 | 3.94% | 195 | 96.06% | 203 | 1.00 |  |
> 3 cm | 25 | 38.46% | 40 | 61.54% | 65 | 15.23 [6.41–36.21] |  < 0.0001 |