Table 3.

Study, patient, and surgical characteristics

Study	Study period	Country	Sample	Age, mean ± SD (yr)	Age range (yr)	BMI, mean ± SD (kg/m2)	Preoperative PSA, mean ± SD (ng/ml)	Gleason biopsy ≤6 (%)	Gleason Biopsy 7 (%)	Gleason Biopsy ≥8 (%)	RRP	RARP	LRP	Attempted nerve sparing
														Bilateral	Unilateral	Neither
Choi et al [14] 2015	2012–2013	Korea	158	64.65 ± 7.32	42–80	24.6 ± 3	10.15 ±12.28	21.5	61.4	17.1	0	158	0	119	19	20
Kadono et al [15] 2015	2011–2013	Japan	111	NR	NR	NR	NR	NR	NR	NR	0	111	0	NR	NR	NR
Matsushita et al [16] 2015	2001–2010	USA	2849	60.0 ± 7.44	NR	27.7 ± 4	5.33 ± 2.22	52.2	40.0	7.8	1487	431	931	2130	447	272
Tienza et al [17] 2015	2002–2011	Spain	550	63.5 ± 7	41–83	NR	9.3 ± 2.2	66.3	23.3	10.4	378	0	172	297b	297*	253
Jeong et al [28] 2014	2004–2011	Korea	872	65.6 ± 6.7	37–82	NR	12.0 ± 33.3	20.4a	72.2a	7.3a	416	456	0	439	95	338
Lee et al [19] 2014	2007–2013	Korea	1011	65.6 ± 6.7	39–82	24.4 ± 3	12.8 ± 32.7	46.2	37.8	16.0	0	1011	0	638	112	261
Jeong et al [20] 2013	2006–2010	Korea	731	66.1 ± 7.0	41–85	24.2 ± 3	12.8 ± 41.6	19.3a	67.9a	12.9a	308	409	14	323	45	363
Lee et al [21] 2013	2007 2012	Korea	249	66.0 ± 6.0	49–78	23.3 ± 3	13.2 ± 14.4	47.0	39.0	14	0	0	249	100	54	95
Kim et al [22] 2011	2007–2010	Korea	763	64.9 ± 6.7	42–80	24.7 ± 3	11.7 ± 18.1	41.8	32.2	25.2	235	528	0	359	136	268
Lim et al [23] 2012	2005–2010	Korea	94	65.1 ± 5.8	49–77	23.7 ± 2	9.7 ± 7.4	55.3	31.9	12.8	94	0	0	39	25	30
Paparel et al [24] 2009	1999–2006	USA	64	60.7 ± 8.2	NR	NR	9.4 ± 6.0	8.0	50.0	28	57	0	7	25	15	7
Lee et al [25] 2006	2004–2005	Korea	156	65.9±6.2	48–78	NR	10.8 ± 18.7	30.8	61.5	7.7	156	0	0	96b	96*	60
Coakley et al [26] 2002	1999–2001	USA	180	58.0 ± 7.0	40–74	NR	6.92 ± 7.34	NR	NR	NR	180	0	0	134b	134*	46

^aGleason pathological.

^bReported overall nerve sparing.

BMI = body mass index; LRP = laparoscopic radical prostatectomy; NR = not reported; PSA = prostate-specific antigen; RARP = robot-assisted radical prostatectomy; RRP = radical retropubic prostatectomy; SD = standard deviation.