Table 2.

Comparison of perioperative outcomes among men who underwent radical prostatectomy by robot-assisted laparoscopic radical prostatectomy versus radical retropubic prostatectomy

	Total	RALP	RRP	p value
Nerve-sparing				0.39*
Bilateral	69.0	70.7	68.3
Unilateral	14.9	15.1	14.8
None	16.1	14.2	16.9
Seminal vesicle removal				0.34
Yes	96.3	95.2	96.7
No	3.7	4.8	3.3
Lymph node dissection, %				<0.0001
Yes	75.1	51.5	85.4
Length of hospital stay, d
Mean	2.6	1.8	2.9	<0.0001
Median	2.0	1.0	3.0	<0.0001
Estimated blood loss, ml
Mean	654.3	207.4	852.3	<0.0001
Median	500.0	150.0	700.0	<0.0001
Transfusions, %				<0.0001
Yes	24.5	4.3	30.3
Transfusion, units, no.				0.16
Mean	2.0	2.7	2.0
Prostate weight, g				0.94
Mean	53.6	55.8	52.6

RALP = robot-assisted laparoscopic radical prostatectomy; RRP = radical retropubic prostatectomy.

^*Any type of nerve sparing versus none.

^**Adjusted for year of surgery (2000–2010).