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Table 6 Multivariate analysis of prognostic factors for 5-year nadir +2 biochemical outcome in a Cox Regression model.

From: Image guided dose escalated prostate radiotherapy: still room to improve

Risk Factor Number Nadir +2
5-year bNED
p-value HR (95%CI)
PSA     
   <10 108 72.3%   1 (reference)
   10-20 55 86.3%   
Continuous variable    0.62 0.98 (0.91-1.06)
Gleason grade     
   5-6 31 83.4%   
   7 132 75.7% 0.94 0.94 (0.47-2.03)
T-category     
   T1b-T2a 128 79.5% 0.04 1 (reference)
   T2b-T2c 35 64.3%   1.93 (1.01-3.69)
Adjuvant Hormone     
   No 145 77.5%   1 (reference)
   Yes 18 69.3% 0.41 1.44 (0.61-3.42)
Age     
Continuous variable    0.57 1.02 (0.96-1.07)
  1. PSA and age are entered as continuous variables