Table 2. Comparison of positive surgical margin and 5-year biochemical recurrence free survival rates according to surgical modality.
| Variable | RRP | RARP | p-value | OR (95% CI) | HR (95% CI) | p-value |
|---|---|---|---|---|---|---|
| PSM rates | ||||||
| Unadjusted | 36.8 | 36.0 | 0.887 | 0.966 (0.603-1.549) | 0.887 | |
| Adjusted for preoperative variables | 36.4 | 34.3 | 0.766 | 0.915 (0.511-1.640) | 0.766 | |
| 2-Year BCRFS rates | ||||||
| Unadjusted | 48.1 | 31.7 | 0.008 | 0.625 (0.439-0.889) | 0.009 | |
| Adjusted for preoperative variables | 48.5 | 35.4 | 0.056 | 0.656 (0.424-1.014) | 0.058 | |
| 5-Year BCRFS rates | ||||||
| Unadjusted | 48.1 | 64.4 | 0.021 | 0.673 (0.481-0.943) | 0.021 | |
| Adjusted for preoperative variables | 48.5 | 59.6 | 0.131 | 0.727 (0.480-1.101) | 0.113 |
RRP, retropubic radical prostatectomy; RARP, robot-assisted radical prostatectomy; OR, odds ratio; HR, hazard ratio; CI, confidence interval; PSM, positive surgical margin; BCRFS, biochemical recurrence-free survival.