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Table 5 Cox models for biochemical failure: initial, stratified, PS as covariate

From: The role of androgen deprivation therapy on biochemical failure and distant metastasis in intermediate-risk prostate cancer: effects of radiation dose escalation

  Initial cox Stratified by PS quintiles Cox with PS as covariate
Variable Hazard 95% CI p-value Hazard 95% CI p-value Hazard 95% CI p-value
  Ratio    Ratio      
Age 1.003 0.983-1.024 0.76 1.005 0.984-1.026 0.666 1.004 0.984-1.025 0.684
Pre-treatment PSA 1.079 1.042-1.111 <0.001 1.065 1.026-1.105 0.001 1.056 1.020-1.093 0.002
Gleason Score 1.118 1.021-1.393 0.026 1.187 0.997-1.414 0.054 1.13 0.968-1.319 0.122
Year of diagnosis 0.923 0.875-9.74 0.004 0.888 0.821-0.961 0.003 0.875 0.816-0.941 <0.001
T-stage 1.164 0.987-1.373 0.072 1.09 0.899-1.323 0.379 1.053 0.873-1.272 0.588
Radiation dose (high vs low) 0.864 0.572-1.306 0.489 0.835 0.541-1.290 0.417 0.845 0.552-1.272 0.44
Adjuvant hormone use (yes vs no) 0.599 0.364-0.978 0.04 0.483 0.287-0.813 0.006 0.492 0.292-0.829 0.008
Propensity Score        4.679 1.172-18.682 0.029