Table 3 Comparison of outcomes of the extraperitoneal approach according to the extent of surgical experience
| Â | EP approach | Â | |
|---|---|---|---|
Variables | 1–100 | 101–200 | p–Value |
Patients (n) | 82 | 82 | Â |
Operative time (min) | 258.6 ± 40.5 | 244.1 ± 43.2 | <0.01 |
Robot console time (min) | 183.5 ± 30.9 | 169.9 ± 26.2 | <0.01 |
Anastomosis time (min) | 33.1 ± 10.5 | 22.9 ± 7.7 | <0.01 |
Blood loss (mL) | 157.3 ± 116.6 | 104.8 ± 95.7 | <0.01 |
Prostate weight (g) | 46.3 ± 11.6 | 46.7 ± 14.4 | 0.93 |
Indwelling urethral catheter (days) | 5.2 ± 1.0 | 5.6 ± 1.6 | 0.20 |
Pathological Gleason score (%) | Â | Â | 0.04 |
 2–6 | 14 (17.1) | 4 (4.9) |  |
 7 | 48 (58.5) | 55 (67.1) |  |
 8–10 | 20 (24.4) | 23 (28.0) |  |
Pathological stage (%) | Â | Â | 0.34 |
 pT2 | 53 (64.6) | 47 (57.3) |  |
 pT3 | 29 (35.4) | 35 (42.7) |  |
Positive srgical margin (%) | |||
 pT2 | 6 (11.3) | 2 (4.3) | 0.15 |
 pT3 | 20 (69.0) | 12 (34.3) | <0.01 |
Lymphadenectomy (%) | 26 (31.7) | 31 (37.8) | 0.25 |
Continence (%) | 73 (89.0) | 76 (92.7) | 0.42 |
Complications (%) | |||
 Indirect inguinal hernia | 2 (2.4) | 0 (0.0) | 0.16 |
 Anastomosis stenosis | 1 (1.2) | 1 (1.2) | 1.00 |