Table 1.

Distribution of patient features

	Cases (n = 30)	Controls (n = 24)
Preoperative PSA
Median	10.9 ng/mL	6.6 ng/mL
Range	4.7-66.7	3.2-24.1
% >15	30%	21%
Pathologic Gleason sum
5-6	7%	17%
7	70%	54%
3+4	43%	42%
4+3	27%	12%
8-9	23%	29%
Percent positive margins	47%	25%
Percent seminal vesicle involvement	38%	X
Percent extracapsular extension	70%	46%
Percent positive lymph nodes	50%	X
Year of RP
Range	1989-2004	1994-2002
<2000	40%	58%
≥2000	60%	42%
Median follow-up	X	63.5 mo
Range	X	27-148
% >5 y	X	63%

NOTE: X, determined by study design.