Fig. 4. Positive margin rate: RARP vs. RRP. (A) Positive margin rate Fig. 4. Positive margin rate: RARP vs. RRP. (A) Positive margin rate. RARP, robot-assisted radical prostatectomy; RRP, retropubic radical prostatectomy; CI, confidence interval. (B) Positive margin rate of studies assessed as low risk studies. (C) Positive margin rate for pT2 tumors in studies published after 2010. RARP, robot-assisted radical prostatectomy; RRP, retropubic radical prostatectomy; CI, confidence interval Fig. 4. Positive margin rate: RARP vs. RRP. (A) Positive margin rate. RARP, robot-assisted radical prostatectomy; RRP, retropubic radical prostatectomy; CI, confidence interval. (B) Positive margin rate of studies assessed as low risk studies. (C) Positive margin rate for pT2 tumors in studies published after 2010. RARP, robot-assisted radical prostatectomy; RRP, retropubic radical . . . Yonsei Med J. 2016 Sep;57(5):1165-1177. http://dx.doi.org/10.3349/ymj.2016.57.5.1165