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. Author manuscript; available in PMC: 2017 Nov 28.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2012 Jul 12;85(3):686–692. doi: 10.1016/j.ijrobp.2012.05.023

Table 2.

Univariate and Multivariate Analysis of DMFS

Univariate
Multivariate
P-Value HR (95% CI) P-Value HR (95% CI)
Age >65 vs ≤65 0.37 0.79 (0.49–1.31)
T-stage <0.001 2.27 (1.74–2.99) <0.001 1.72 (1.27–2.32)
Gleason score <0.001 3.17 (2.19–4.61) <0.001 2.661 (1.69–4.18)
PSA 0.052 1.61 (1.00–2.61) 0.49 1.25 (0.66–2.39)
ADT (yes vs no) 0.03 1.842 (1.061–3.20) 0.054 0.51 (0.26–1.01)
% Core Positivity (>50% vs ≤50%) <0.0001 4.24 (2.57–6.99) 0.001 2.55 (1.50–4.32)
PSA density (>0.25 vs ≤0.25) 0.003 2.07 (1.27–3.36) 0.42 1.31 (0.69–2.48)

Abbreviations: ADT, androgen-deprivation therapy; CI, confidence interval; HR, hazard ration; PSA, prostate-specific antigen