BACKGROUND: The identification of predictors for prostate biopsy outcome at two screening rounds using a PSA>or=3.0 ng/ml as biopsy indication. MATERIALS AND METHODS: We compared predictors by means of descriptive statistics and logistic regression analysis in men (55-75 years) biopsied in either the 1st or 2nd screening round of ERSPC Rotterdam (interval 4 years). RESULTS: Positive predictors for biopsy outcome in both screening rounds were an increased PSA level in the absence of a previous negative biopsy (PrevNB), DRE and TRUS suspicious and a positive family history (PFH). A higher than median prostate volume was a consistent negative predictor. Having had a PrevNB at initial screening strongly reduced the chance of cancer detection at repeat screening and in addition canceled the predictive potential of PSA. CONCLUSION: If "detecting prostate cancer efficiently" were the aim, this study indicates that a "PSA only based biopsy threshold" may be replaced by another criterion incorporating, e.g., DRE, TRUS and prostate volume in men who were biopsied in the preceding 4 year interval. Prostate 66:604-612, 2006. (c) 2005 Wiley-Liss, Inc.
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BACKGROUND: The identification of predictors for prostate biopsy outcome at two screening rounds using a PSA>or=3.0 ng/ml as biopsy indication. MATERIALS AND METHODS: We compared predictors by means of descriptive statistics and logistic regression analysis in men (55-75 years) biopsied in either the 1st or 2nd screening round of ERSPC Rotterdam (interval 4 years). RESULTS: Positive predictors for biopsy outcome in both screening rounds were an increased PSA level in the absence of a previous negative biopsy (PrevNB), DRE and TRUS suspicious and a positive family history (PFH). A higher than median prostate volume was a consistent negative predictor. Having had a PrevNB at initial screening strongly reduced the chance of cancer detection at repeat screening and in addition canceled the predictive potential of PSA. CONCLUSION: If "detecting prostate cancer efficiently" were the aim, this study indicates that a "PSA only based biopsy threshold" may be replaced by another criterion incorporating, e.g., DRE, TRUS and prostate volume in men who were biopsied in the preceding 4 year interval. Prostate 66:604-612, 2006. (c) 2005 Wiley-Liss, Inc.
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