Table I.
Patient baseline characteristics.
| Variables | Total (257) | ORP (70) | RARP (187) | P-value |
|---|---|---|---|---|
| Age, years, median (IQR) | 67 (63-71) | 67 (61-71) | 66 (63-70) | 0.898a |
| BMI, kg/m2, median (IQR) | 24.0 (22.1-25.5) | 23.8 (21.6-25.8) | 24.1 (22.0-25.2) | 0.791a |
| Initial PSA, ng/ml, median (IQR) | 7.6 (5.8-10.9) | 8.1 (6.0-11.8) | 7.4 (5.5-10.6) | 0.131a |
| Preoperative sCre, mg/dl, median (IQR) | 0.82 (0.73-0.95) | 0.81 (0.70-0.90) | 0.83 (0.73-0.96) | 0.154a |
| Prostate volume, ml, median (IQR) | 29.9 (22.4-40.3) | 32.0 (21.4-41.9) | 29.4 (22.5-40.0) | 0.581a |
| Pathological T stage, n (%) | 0.306b | |||
| ≤pT2 | 198 (77.0) | 57 (81.4) | 141 (75.4) | |
| ≥pT3 | 59 (23.0) | 13 (18.6) | 46 (24.6) | |
| Pathological N stage, n (%) | 0.001b,c | |||
| pN0/x | 253 (98.4) | 66 (94.3) | 187(100) | |
| pN1 | 4 (1.6) | 4 (5.7) | 0 (0) | |
| Pathological Gleason score, n (%) | 0.081b | |||
| ≤7 | 199 (77.4) | 49 (70.0) | 150 (80.2) | |
| ≥8 | 58 (22.6) | 21 (30.0) | 37 (19.8) | |
| Surgical time, min, median (IQR) | 231 (199-265) | 209 (190-243) | 237 (204-271) | 0.001a,c |
| Blood loss, ml, median (IQR) | 450 (150-865) | 1075 (728-1753) | 300 (100-500) | <0.001a,c |
| Fluid infusion, ml, median (IQR) | 2100 (1800-2750) | 2975 (2600-3713) | 2000 (1700-2350) | <0.001a,c |
Data were analyzed using
aMann-Whitney U and
bPearson's χ2 tests.
cStatistically significant data. ORP, open radical prostatectomy; RARP, robot-assisted radical prostatectomy; IQR, interquartile range; BMI, body mass index; PSA, prostate-specific antigen; sCre, serum creatinine.