Significance of Image Guidance to Clinical Outcomes for Localized Prostate Cancer

Table 5

Cox regression analysis for predictors identifying PSA relapse-free survival.

Cox regression	𝐵	SE	𝑃	Exp(𝐵)	95% CI
					Lower	Upper
Gleason score ≥8	−0.120	0.480	0.802	0.887	0.346	2.273
T stage	0.419	0.460	0.362	1.520	0.617	3.744
Age	0.012	0.024	0.609	1.012	0.996	1.062
Preradiotherapy PSA	0.019	0.004	0.000	1.019	1.011	1.028
IG	0.609	0.546	0.265	1.838	0.630	5.362

𝐵: regression coefficient estimate; SE: standard error; CI: confidence interval; IG: image guidance; PSA: prostate-specific antigen.