Skip to main content
. Author manuscript; available in PMC: 2012 Jul 10.
Published in final edited form as: Cancer. 2011 Jan 10;117(13):2883–2891. doi: 10.1002/cncr.25900

Table 2.

Multivariable Cox Regression Analysis of Factors Associated with Outcome in Patients with High-Risk Prostate Cancer

Variable Systemic Progression Death from prostate cancer Death from any cause

HR 95% CI P HR 95% CI P HR 95% CI P
Age 0.98 0.96, 1.00 0.02 0.99 0.97, 1.01 0.34 1.05 1.04, 1.06 <0.0001
Year of treatment 0.96 0.93, 1.00 0.04 0.95 0.90, 1.00 0.03 0.97 0.94, 1.00 0.04
Log2 PSA 1.16 1.05, 1.28 0.002 1.17 1.03, 1.32 0.01 1.09 1.02, 1.17 0.008
Biopsy Gleason score 1.44 1.29, 1.62 <0.0001 1.60 1.39, 1.84 <0.0001 1.24 1.14, 1.34 <0.0001
2002 AJCC tumor classification (cT2 vs cT1c) 1.74 1.12, 2.69 0.01 1.97 1.09, 3.58 0.03 1.14 0.89, 1.45 0.30
2002 AJCC tumor classification (cT3/4 vs cT1c) 2.42 1.54, 3.79 0.0001 2.55 1.39, 4.70 0.003 1.20 0.93, 1.56 0.17
Treatment (EBRT vs RRP) 1.53 1.05, 2.23 0.03 2.14 1.35, 3.39 0.001 2.04 1.62, 2.56 <0.0001
Treatment (EBRT/ADT vs RRP) 0.78 0.51, 1.18 0.23 1.14 0.68, 1.91 0.61 1.60 1.25, 2.05 0.0002

HR indicates hazard ratio; CI, confidence interval; PSA, prostate-specific antigen; AJCC, American Joint Commission on Cancer; RRP, radical retropubic prostatectomy; EBRT, external-beam radiation therapy; ADT, androgen-deprivation therapy.