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Table 2 Cox regression for biochemical freedom from failure

From: Combined brachytherapy and external beam radiotherapy without adjuvant androgen deprivation therapy for high-risk prostate cancer

    95% CI
Variable Significance (p value) Hazard rate Lower Upper
Age 0.936 0.998 0.940 1.061
PSA level 0.313 0.710 0.365 1.381
Gleason score 0.850 1.193 0.190 7.495
Positive biopsy rate 0.009* 2.940 1.314 6.577
No. of high-risk features 0.023* 4.162 1.218 14.220
Neoadjuvant ADT 0.064 0.468 0.946 1.045
Prostate D90 0.515 1.015 0.971 1.061
BED 0.833 0.995 0.946 1.046
  1. Abbreviations: CI = confidential interval; PSA = prostate specific antigen; ADT = androgen deprivation therapy; prostate D90 = the minimal dose received by 90% of the prostate; BED = biologically effective dose.
  2. *p < 0.05.