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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
Prostate cancer
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Prostate cancer. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Prostate_cancer

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

Estimating Lead Time and Overdiagnosis Associated with PSA Screening from Prostate Cancer Incidence Trends
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

Variables Associated with False-Positive PSA Results: A Cohort Study with Real-World Data -
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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

Update in Cancer Screening, An Issue of Medical Clinics of North America, E-Book
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

Evaluation of the diagnostic value of three YiDiXie tests in prostate cancer: an observational prospective single-center study.
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

Overdiagnosis due to prostate-specific antigen screening: lessons from U.S. prostate cancer incidence trends.
2002
Get citation
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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