. Author manuscript; available in PMC: 2016 Sep 6.

Published in final edited form as: J Urol. 2015 Mar 19;194(2):304–308. doi: 10.1016/j.juro.2015.02.2948

Table 4.

Multivariable Cox Proportional Hazards Model of Overall Survival By CPB

Variable	Hazard Ratio	95% Confidence Interval for Hazard Ratio	P-Value (Wald Test)
CPB (Yes vs. No)	1.544	(0.981, 2.430)	0.060
Level (IV vs. III)	1.055	(0.737, 1.510)	0.769
Age (Years)	1.009	(0.992, 1.025)	0.322
Sex (M vs. F)	0.935	(0.660, 1.323)	0.702
T Stage (4 vs. 3)	1.968	(1.002, 3.865)	0.049
N Stage (N1 vs. N0)	2.237	(1.324, 3.782)	0.003
N Stage (N2 or N3 vs. N0)	2.045	(1.189, 3.518)	0.010
N Stage (NX vs. N0)	1.357	(0.853, 2.158)	0.198
Time Under Surgery (Hours)	1.054	(0.979, 1.136)	0.164
Metastases (M1 vs. M0)	1.889	(1.184, 3.014)	0.008
Metastases (MX vs. M0)	1.206	(0.763, 1.906)	0.422