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Table 3 Univariate and multivariate analyses of biochemical progression

From: Improvement in toxicity in high risk prostate cancer patients treated with image-guided intensity-modulated radiotherapy compared to 3D conformal radiotherapy without daily image guidance

  Univariate analysis Multivariate analysis
Parameter Hz 95% CI p-value Hz 95% CI p-value
Age 0.93 0.90-0.97 0.001* 0.93 0.88-0.99 0.017*
Performance status 0.57 0.14-2.32 0.432 0.40 0.05-2.93 0.371
Comorbidity 1.02 0.66-1.58 0.931 1.03 0.56-1.82 0.928
Smoking 1.15 0.71-1.88 0.574 1.31 0.73-2.35 0.361
T-stage (≥T2c vs ≤ T2b) 0.71 0.44-1-16 0.170 0.58 0.29-1.17 0.128
PPB# 1.02 1.01-1.03 0.001* 1.01 1.00-1.02 0.038*
Gleason score 1.29 1.05-1.58 0.014* 1.04 0.80-1.39 0.759
PSA 1.00 1.00-1.01 0.555 1.00 0.99-1.01 0.433
3DCRT vs IG-IMRT 1.24 0.77-2.00 0.386 0.78 0.37-1.57 0.505
Adjuvant ADT 0.59 0.28-1.24 0.163 0.89 0.31-2.56 0.830
  1. *Statistically significant.
  2. #Percentage positive biopsies.