Serum PSA concentrations can be used to discriminate between men with prostate cancer and those without it among both blacks and whites. Over 40 percent of cases of prostate cancer in black men would not be detected by tests using traditional age-specific reference ranges, which maintain specificity at 95 percent. In this high-risk population, the alternative approach--maintaining sensitivity at 95 percent--may be used with acceptable decrements in specificity.

Pubovaginal slings are effective and durable, and significantly improve quality of life in patients with types II and III stress urinary incontinence.

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These data suggest that f-PSA values do not provide additional diagnostic benefit compared with total PSA in screening populations, in the presence of suspected cancer, postprostatectomy, or in metastatic disease. PSMA is of prognostic significance, especially in the presence of metastatic disease, and correlates well with the stage of disease in cancers detected in a screened population.

Higher PSA and FPSA levels are likely to be associated with more locally advanced disease. Total PSA was the best marker. However, the cutoff values necessary for significant accuracy between PSA and FPSA are not of clinical usefulness due to the lack of specificity and sensitivity of the markers at those cutoffs. F:TPSA and PSMA levels as currently measured are of limited value in discriminating more aggressive disease in patients with clinically localized CaP.

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