Table 2.

Cox multivariate regression analysis of preoperative and histopathologic parameters for biochemical progression free survival.

Parameter	Biochemical Progression Free Survival
	HR	95% CI	p value
Age	1.050	0.967-1.140	0.249
Lymph node	0.378	0.038-3.768	0.407
Pre operative PSA	1.054	1.003-1.108	0.037
Surgical margins	0.681	0.276-1.680	0.405
Biopsy Gleason score	1.355	0.839-2.189	0.214
Surgery Gleason score	2.053	1.202-3.506	0.008