Table 2. Potency outcomes in comparative series of RRP, LRP, and RARP.

Study	Comparison	No.	Mean age (y)	NS technique	Potency rate (overall)
Ficarra et al. [59]	RARP vs. RRP	103 vs. 105	61 vs. 65	Antegrade	81% vs. 49%
Rocco et al. [60]	RARP vs. RRP	120 vs. 240	63 vs. 63	Retrograde	61% vs. 41%
Krambeck et al. [61]	RARP vs. RRP	294 vs. 588	61 vs. 61	Antegrade	70% vs. 62%
Willis et al. [5]	RARP vs. LRP	121 vs. 161	58.1 vs. 58	Antegrade	87.5% vs. 66.7%
Porpiglia et al. [8]	RARP vs. LRP	60 vs. 60	63.9 vs. 64.7	Antegrade	80% vs. 54.2%
Berge et al. [7]	RARP vs. LRP	210 vs. 210	61.7 vs. 61.7	Antegrade	61.3% vs. 57.3%

RARP, robot-assisted radical prostatectomy; RRP, open radical retropubic prostatectomy; LRP, laparoscopic radical prostatectomy.

Adapted from Kumar et al. J Robot Surg 2016;10:187-200, with permission of Springer [44].