Table 3. Multivariate analysis assessing the potential predictors for achieving erections sufficient for intercourse at 60 months from radical prostatectomy.
| Variable | OR (95% CI) | P-value |
|---|---|---|
| Age at surgery | 0.804 (0.648–0.997) | 0.047 |
| Body mass index | 1.382 (0.915–2.086) | 0.124 |
| Prostate volume | 1.004 (0.958–1.052) | 0.873 |
| Comorbidity | 3.083 (0.421–22.559) | 0.268 |
| Preoperative PSA level | 1.045 (0.884–1.235) | 0.604 |
| Preoperative IIEF-5 score | 1.091 (0.864–1.377) | 0.464 |
| Operative time | 0.992 (0.963–1.021) | 0.573 |
| Estimated blood loss during RP | 0.994 (0.987–1.000) | 0.059 |
| Pathological Gleason score | 0.217 (0.029–1.636) | 0.138 |
| Pathological stage | 0.955 (0.050–18.086) | 0.976 |
| Salvage radiation therapy | 0.037 (0.002–0.670) | 0.026 |
| Erectile aid usage | 1.180 (0.122–11.445) | 0.886 |
Abbreviations: CI, confidence interval; OR, odds ratio; PSA, prostate-specific antigen; ILEF-5, International Index of Erectile Function (5-item); RP, radical prostatectomy.