Variable   HR [95%CI]   p value
NEP 0.230 [0.073-0.723] 0.012
ET-1 0.761 [0.259-2.237] 0.620
Gleason score 1.818 [0.816-4.048] 0.143
pathologic TNM stage 2.784 [1.241-6.246] 0.013
HR: hazard ratio; CI: confidence interval.
Table 2: Multivariate Cox regression analysis