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Table 5 Univariate analysis of potential prognostic factors for 5-year nadir + 2 biochemical outcome.

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     
   <10 180 74.4%   
   10-20 63 79.4%   
   >20 16 75%   
Continuous variable    0.85 1.00 (0.96-1.03)
Gleason grade     
   5-6 96 82.3% 0.15 (reference)
   7 141 71.6% 0.06 1.73 (0.98-3.05)
   8-10 21 71.4% 0.21 1.81 (0.71-4.59)
T-category     
   T1b-T2a 209 83.0% 0.006 (reference)
   T2b-T2c 43 64.9% 0.002 2.48 (1.42-4.36)
   T3a-TX 7 68.6% 0.56 1.56 (0.37-6.30)
Risk Grouping     
   Low 59 86.4% 0.14 1 (reference)
   Intermediate 163 73% 0.06 2.04 (0.96-4.34)
   High 37 70.3% 0.07 2.33 (0.94-5.78)
Adjuvant Hormone     
   No 165 76.4% 0.52 1 (reference)
   Yes 31 72.1% 0.66 0.81 (0.43-1.53)
Age     
Continuous variable    0.66 1.01(0.97-1.05)