Table 1.

Effect of nerve sparing in radical prostatectomy on sexual function recovery.

Author	Type	No. of patients	Followup months	Potent (%)		P
				UNS	BNS
Before and up to 2003
Quinlan et al. (1991) [43]	RRP	503	18	56	76	NA
Weldon et al. (1997) [44]	RPP	50	18	68	73	NA
Catalona et al. (1999) [45]	RRP	858	18	47	68	NA
Stanford et al. (2000) [46]	RRP	938	>18	41	44	NA
After 2003
Kundu et al. (2004) [39]	RRP	1834	18	53	76	NA
Harris (2007) [18]	RPP	140	12	27	49	0.02
Marien and Lepor (2008) [47]	RRP	1110	24	44	60	0.011
Krambeck et al. (2009) [48]	RRP	807	>6	53	72	<0.001
Menon et al. (2007) [49]	RALP	1142	12	58	70	NA
Hakimi et al. (2009) [50]	RALP	60	12	64	77	NA

UNS: Unilateral nerve sparing; BNS: Bilateral nerve sparing; RRP: Radical retropubic prostatectomy; RPP: Radical perineal prostatectomy; RALP: Robotic-assisted laparoscopic prostatectomy; NA: Not applicable.