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Cumulative survival function (a–c) and forest plots (d) assessing the risk of biochemical relapse in high-risk patients according to the number of high-risk factors a. ADT, androgen deprivation therapy; HR, hazard ratio; CI, confidence interval. a The three high-risk factors are T stage 3a–4, PSA level >20 ng/mL, and Gleason score ≥8.
