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the claim

PSA tests produce false positives and lead to overdiagnosis of prostate cancer.

the verdict
INSUFFICIENT LEANING
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that PSA tests produce false positives and lead to overdiagnosis of prostate cancer?

Unclear. Multiple sources partially support the claim: a 2010 review estimates about 60% of PSA-detected prostate cancers are overdiagnosed, a 2002 SEER analysis estimates 29-44% overdiagnosis, and a cohort study notes rising PSA false-positive rates with age. However, no single retrieved item covers both false positives and overdiagnosis at the strength the claim asserts.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
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Prostate cancer. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Prostate_cancer

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More for · 6
2010
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HG, W. & WC, B. (2010). Overdiagnosis in cancer.. doi.org. https://doi.org/10.1093/jnci/djq099

2008
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Telesca, D., Etzioni, R., & Gulati, R. (2008). Estimating Lead Time and Overdiagnosis Associated with PSA Screening from Prostate Cancer Incidence Trends. doi.org. https://doi.org/10.1111/j.1541-0420.2007.00825.x

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Variables Associated with False-Positive PSA Results: A Cohort Study with Real-World Data - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.3390/cancers15010261

2020
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Smith, R. A. & Oeffinger, K. (2020). Update in Cancer Screening, An Issue of Medical Clinics of North America, E-Book. play.google.com. https://play.google.com/store/books/details?id=tD4HEAAAQBAJ&source=gbs_api

2026
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X, L., C, S., S, L., Z, G., P, Z., W, W., S, C., Y, W., H, Z., R, H., L, N., & Y, L. (2026). Evaluation of the diagnostic value of three YiDiXie tests in prostate cancer: an observational prospective single-center study.. doi.org. https://doi.org/10.1038/s41598-026-41577-1

2002
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R, E., DF, P., JM, L., D, d. T., R, B., PH, G., & EJ, F. (2002). Overdiagnosis due to prostate-specific antigen screening: lessons from U.S. prostate cancer incidence trends.. doi.org. https://doi.org/10.1093/jnci/94.13.981

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