Outcomes and trends of prostate biopsy for prostate cancer in Chinese men from 2003 to 2011.

PLoS One · 2012 · PMC3506536 · PMID 23189170

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a significant trendno p-value reported

The levels of tPSA over the years didn't show a significant trend, however, because of the significant decrease of percentage of patients with tPSA>20 ng/mL, we can still conclude that PSA screening had benefits over the years.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.