Table 5 Comparison between the amount of urinary leakage by the 1-h pad test and the PPM cross-sectional area or left–right diameter of RUM before and after RARP: multiple regression analysis.
After RARP | 1 month | 3 months | 6 months | 9 months | 12 months | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Β (95% CI) | p-value | Β (95% CI) | p-value | Β (95% CI) | p-value | Β (95% CI) | p-value | Β (95% CI) | p-value | |
BMI | 0.15 (0.01–0.04) | < 0.01 | 0.01 (− 0.00–0.03) | 0.08 | ||||||
NVB preservation | − 0.11 (− 0.25 to – 0.01) | < 0.05 | − 0.79 (− 0.19 to – 0.23) | 0.12 | − 0.08 (− 0.20–0.02) | 0.11 | ||||
Prostate volume | 0.06 (− 0.00–0.01) | 0.28 | ||||||||
PPM (cross-sectional area) | ||||||||||
Pre-RARP | ||||||||||
Post-RARP | − 0.05 (− 0.14–0.04) | 0.26 | − 0.13 (− 0.21 to − 0.42) | < 0.01 | − 0.11 (− 0.19 to − 0.04) | 0.43 | − 0.13 (− 0.20 to − 0.05) | < 0.01 | − 0.10 (− 0.47 to − 0.03) | < 0.01 |
Changes before and after RARP | 0.17 (0.06–0.28) | < 0.01 | 0.26 (0.16–0.36) | < 0.001 | 0.30 (0.20–0.39) | < 0.001 | 0.20 (0.11–0.30) | < 0.001 | 0.27 (0.18–0.36) | < 0.001 |
RUM (left–right diameter) | ||||||||||
Pre-RARP | 0.19 (− 0.01–0.38) | 0.06 | 0.18 (− 0.59–0.42) | 0.14 | 0.24 (0.02–0.45) | < 0.05 | 0.13 (− 0.09–0.35) | 0.25 | 0.26 (0.05–0.47) | < 0.05 |
Post-RARP | 0.30 (0.09–0.50) | < 0.01 | 0.14 (− 0.09–0.37) | 0.23 | 0.11 (− 0.01–0.32) | 0.30 | 0.11 (0.10–0.32) | 0.31 | 0.12 (− 0.73–0.32) | 0.22 |
Changes before and after RARP | 0.05 (− 0.21–0.30) | 0.72 | ||||||||