Table 2.
Hazard ratios (95% confidence intervals) of risk factors associated with 5-year surgical complications after midurethral sling surgery.
| Characteristic | Available N | No. of events | HR (95% CI) | |
|---|---|---|---|---|
| Crude model | Full modela | |||
| Age (year) | 1961 | 93 | 1.034 (1.018, 1.050)* | 1.016 (0.994, 1.040) |
| Diabetes mellitus | ||||
| No | 1783 | 80 | Ref | Ref |
| Yes | 178 | 13 | 1.642 (0.917, 2.942) | 1.516 (0.756, 3.040) |
| Surgical duration (h) | 1961 | 93 | 1.114 (0.985, 1.261) | 1.070 (0.901, 1.271) |
| Menopause syndrome diagnosis | ||||
| No | 1767 | 78 | Ref | Ref |
| Yes | 194 | 15 | 1.779 (1.025, 3.088)* | 1.335 (0.673, 2.650) |
| Hormone replacement therapy | ||||
| No | 1676 | 63 | Ref | Ref |
| Yes | 285 | 30 | 2.929 (1.895, 4.527)* | 1.787 (1.011, 3.158)* |
| Average flow rate (ml/s) | 1846 | 90 | 0.904 (0.846, 0.965)* | 0.964 (0.892, 1.042) |
| TVT-O sling type | ||||
| TOT | 620 | 19 | Ref | Ref |
| TVT-O | 1138 | 55 | 1.596 (0.949, 2.686) | 1.292 (0.716, 2.331) |
CI, confidence interval; HR, hazard ratio; TOT, transobturator tape; TVT-O, tension-free vaginal tape-obturator.
aFull model: adjusted for age, diabetes mellitus, surgical duration, menopause syndrome diagnosis, hormone replacement therapy, average flow rate and TVT-O sling type (n = 1653).
*Statistically significant.