The PSA range 2.0 to 3.9 ng/ml is accessible for prostate cancer screening. Percent FPSA is of moderate value in avoiding unnecessary biopsies in the PSA range of 2.0 to 3.9 ng/ml. However, when assessing tumor aggressiveness in biopsy results, percent FPSA is predictive and can be used to select treatment options, such as watchful waiting.
The risk of developing prostate carcinoma within a given 4-year period is greater for Dutch males ages 55-69 years compared with their Japanese counterparts, because the former have higher PSA levels. Nonetheless, there appears to be no significant difference in prostate carcinoma risk between Dutch and Japanese males whose baseline PSA levels fall within the same range.
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