Published in Cancer Weekly, July 13th, 2004
Medical investigators in Scotland performed a study "to compare the performance of various ratios using total prostate specific antigen (PSA), complexed PSA (cPSA) and free PSA (fPSA) in the early detection of prostate cancer. The study included 535 consecutive patients evaluated at a prostate cancer detection clinic between January 1998 and October 1999. Patients had blood samples drawn before transrectal ultrasonography and prostate biopsy to measure PSA, cPSA and fPSA."
"Receiver operating characteristic (ROC) curves (sensitivity vs. 1 - specificity) were used to...
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