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Table 2 Newcastle-Ottawa scale for risk of bias assessment of included studies

From: Radical prostatectomy versus external beam radiotherapy with androgen deprivation therapy for high-risk prostate cancer: a systematic review

  1. *A follow-up period of 3 years was considered sufficient for the primary outcome measures (HRQoL and functional outcomes), but in case only secondary outcome measures (e.g. BCRFS, cRFS, OS) were reported, 5 years was considered the minimum acceptable follow-up length