Research Article
Analysis of Learning Curve in Robot-Assisted Radical Prostatectomy Performed by a Surgeon
| | Characteristics | Total | Group 1 (1–49) | Group 2 (50–88) | Group 3 (89–145) | p |
| | Pathological stage (pT), n (%) | | | | | | | pT2 | 125 (86.21) | 41 (83.67) | 34 (87.18) | 50 (87.72) | 0.51 | | Postoperative Gleason score, n (%) | | | | | | | ≤6 | 65 (44.8) | 25 (51.0) | 18 (46.2) | 22 (38.6) | 0.2 | | 7 | 71 (49.0) | 24 (49.0) | 17 (43.6) | 30 (52.6) | | ≥8 | 9 (6.2) | 0 (0.0) | 4 (10.3) | 5 (8.8) | | Invasion, n (%) | | | | | | | No invasion (pT2) | 102 (70.3) | 36 (73.5) | 32 (82.1) | 34 (59.6) | | | Capsular infiltration (pT2) | 23 (15.9) | 5 (10.2) | 3 (7.7) | 16 (28.1) | 0.097 | | Extracapsular invasion (pT3) | 20 (13.79) | 8 (16.33) | 5 (12.82) | 7 (12.28) | | Seminal vesicle (pT3b) | 11 (7.6) | 3 (6.1) | 3 (7.7) | 5 (8.8) | | | Surgical margin status, n (%) | | | | | | | Positive | 19 (13.10) | 3 (6.12) | 9 (23.08) | 6 (10.53) | 0.07 | | Negative | 126 (86.9) | 46 (93.88) | 30 (76.92) | 51 (89.47) |
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