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Men with newly diagnosed, low-risk prostate cancer face complicated decisions regarding treatment. Curative-intent therapy options include radical prostatectomy, external beam radiotherapy (EBRT), and brachytherapy, all of which provide high rates of disease control but can cause health-related quality-of-life (HRQOL) complications such as erectile dysfunction. However, a means to help patients predict risk for this impairment is lacking.
To develop such a tool, investigators conducted a prospective, longitudinal, multicenter study of 1027 men with previously untreated clinical stage T1–T2 prostate cancer who had elected prostatectomy, EBRT, or brachytherapy as primary treatment from 2003 to 2006. Baseline characteristics, treatment details,…