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Cumulative probability for acute urinary retention (AUR) or surgery related to benign prostatic hyperplasia (BPH) in the Proscar Long Term Efficacy and Safety Study and during 2 years of open-label extension, during which all patients received finasteride (Fin). The risk for the subjects who had previously received placebo flattened and was similar to that of the finasteride-treated patients during years 5 and 6.
