Robotic Prostatectomy Has a Superior Outcome in Larger Prostates and PSA Density Is a Strong Predictor of Biochemical Recurrence

Table 2

Pathology and oncological outcomes of RALP.

Prostate size	<75 g,		>75 g,
	Mean/proportion	sd/%	Mean/proportion	sd/%
Prostate weight	47.48	12.29	97.23	20.7	<0.0001
Nerve spare
Bilateral NS	92/293	31.4%	15/47	31.9%	ns
Unilateral NS	91/293	31.1%	11/47	23.4%	ns
WLE	100/293	34.1%	21/47	44.6%	ns
Lymph node dissection	34/296	11.5%	4/48	8.3%	ns
Pathological stage
T1	4/296	1.4%	4/48	8.3%	0.02
T2	226/296	76.4%	32/48	66.7%	ns
T3	64/296	21.6%	12/48	25%	ns
T4	1/296	0.3%	0/48	0%	ns
Positive margin	81/296	27.3%	12/48	25%	ns
Upstage	196/260	75.3%	28/48	58.3%	0.02
SVI^a	14/296	4.7%	5/48	10.4%	ns
Pathological grade
G6	78/296	26.4%	20/48	41.7%	0.04
G7	189/296	63.9%	20/48	41.7%	0.004
G8–10	29/296	9.8%	8/48	16.7%	ns
Biochemical recurrence	14/296	4.7%	1/48	2.1%	ns

: seminal vesicle involvement.