International journal of urology : official journal of the Japanese Urological Association
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To investigate the progression to castration-resistant prostate cancer after primary androgen deprivation therapy, and to build a simple risk prediction model for primary androgen deprivation therapy patients based on the Japan Cancer of the Prostate Risk Assessment criteria. ⋯ The Korean Cancer Study-prostate risk classification, a modified Japan Cancer of the Prostate Risk Assessment model, is a simple scoring model for predicting oncological outcomes after primary androgen deprivation therapy.