Table 1.

Clinicopathologic features of cases by Gleason score at biopsy

	Gleason Score at Biopsy
	3 + 3 = 6	3 + 4 = 7	4 + 3 = 7	≥8	P Value
Mean patient age (y)	56.8	58.5	60.7	60.5	.10
Mean prebiopsy PSA (ng/mL)	6.4	5.9	8	7.7	.24
Biopsy
Mean number of cores/cases	10.9	11.6	9.4	9.2	.07
Mean % core involvement	16.1	24	19.5	39.2	.002
Prostatectomy
Mean prostate size (cm)	5.3	4.8	5.1	5.2	.28
Extraprostatic extension (%)	1 (4)	2 (8)	6 (30)	12 (50)	<.001
Positive surgical margin (%)	0 (0)	0 (0)	0 (0)	5 (21)	.002
Seminal vesicle invasion (%)	0 (0)	0 (0)	0 (0)	3 (12)	.04
Lymphovascular invasion (%)	0 (0)	0 (0)	0 (0)	2 (8)	.17
Lymph node metastasis (%)	0 (0)	0 (0)	0 (0)*	1 (4)	.73

^*Lymph node dissection was not done in 1 patient of this group.