Percent free prostate-specific antigen does not improve the effectiveness of prostate cancer detection in Chinese men with a prostate-specific antigen of 2.5-20.0 ng/ml: a multicenter study.


The prostate-specific antigen (PSA) "gray zone" in Chinese men is likely higher than the traditional value (2.5-10.0 ng/ml) since the incidence of prostate cancer in Chinese men is relative low. The utility of percent free PSA in predicting prostate cancer is based on Western populations and may introduce sizable bias when applied to a Chinese cohort. We… (More)
DOI: 10.1007/s12032-014-0925-4


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