Cruz, A.B.

prostate speci cancer antigen biopsy speci ficity study calibration detection prostate health index ficity prostate cancer p 2psa assay result hybritech free-to-total psa gleason 10 ng /ml prostate-speci fic antigen free-to-total sensitivity health prostate cancer detection index probability urology range signi ficantly signi university pca detection cutoff score serum fpsa assays relationship gleason score patient analysis department prostate-speci percent value beckman coulter percent fpsa catalona participant population screening gleason 7 center ficantly sample coulter propsa beckman prostate biopsy standardization p 2psa assay university feinberg school multicenter rectal examination phi 0 pro-prostate interest school 10.0 ng /ml difference 10.0 men 50 years phi range psa 2.0 hybritech calibration performance characteristics 2.0 study population performance trial volume