From: Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens
 | Negative Margin | Positive Margin | P |
---|---|---|---|
Case number | 130 | 52 | Â |
Tumor stage | Â | Â | 0.014* |
   2a | 23 | 5 |  |
   2b | 5 | 3 |  |
   2c | 83 | 27 |  |
   ≥ 3a | 17 | 17 |  |
Tumor volume (%) | 14.1 ± 11.5** | 21.2 ± 17.2** | 0.021*** |
Gleason score | 6.5 ± 0.7** | 6.8 ± 0.8** | 0.033*** |
Weight (gram) | 49.8 ± 16.6** | 42.7 ± 13.7** | 0.004*** |
Surgeons | Â | Â | 0.977* |
   Surgeon one | 37 | 14 (27.5%)**** |  |
   Surgeon two | 69 | 28 (28.9%)**** |  |
   Others | 24 | 10 (29.4%)**** |  |