Observational Study
. 2018 Jun 1;124(11):2390-2398. doi: 10.1002/cncr.31271. Epub 2018 Apr 23. Implications of false-positive results for future cancer screeningsAffiliations
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Observational Study
Implications of false-positive results for future cancer screeningsGlen B Taksler et al. Cancer. 2018.
. 2018 Jun 1;124(11):2390-2398. doi: 10.1002/cncr.31271. Epub 2018 Apr 23. AffiliationsItem in Clipboard
AbstractBackground: False-positive cancer screening results may affect a patient's willingness to obtain future screening.
Methods: The authors conducted logistic regression analysis of 450,484 person-years of electronic medical records (2006-2015) in 92,405 individuals aged 50 to 75 years. Exposures were false-positive breast, prostate, or colorectal cancer screening test results (repeat breast imaging or negative breast biopsy ≤3 months after screening mammography, repeat prostate-specific antigen [PSA] test ≤3 months after PSA test result ≥4.0 ng/mL or negative prostate biopsy ≤3 months after any PSA result, or negative colonoscopy [without biopsy/polypectomy] ≤6 months after a positive fecal occult blood test). Outcomes were up-to-date status with breast or colorectal cancer screening. Covariates included prior screening history, clinical information (eg, family history, obesity, and smoking status), comorbidity, and demographics.
Results: Women were more likely to be up to date with breast cancer screening if they previously had false-positive mammography findings (adjusted odds ratio [AOR], 1.43 [95% confidence interval, 1.34-1.51] without breast biopsy and AOR, 2.02 [95% confidence interval, 1.56-2.62] with breast biopsy; both P<.001). The same women were more likely to be up to date with colorectal cancer screening (AOR range, 1.25-1.47 depending on breast biopsy; both P<.001). Men who previously had false-positive PSA testing were more likely to be up to date with colorectal cancer screening (AOR, 1.22 [P = .039] without prostate imaging/biopsy and AOR, 1.60 [P = .028] with imaging/biopsy). Results were stronger for individuals with more false-positive results (all P≤.005). However, women with previous false-positive colorectal cancer fecal occult blood test screening results were found to be less likely to be up to date with breast cancer screening (AOR, 0.73; P<.001).
Conclusions: Patients who previously had a false-positive breast or prostate cancer screening test were more likely to engage in future screening. Cancer 2018;124:2390-8. © 2018 American Cancer Society.
Keywords: cancer screening; cancer screening tests; diagnostic errors; early detection of cancer; false-positive reactions; mass screening.
© 2018 American Cancer Society.
Conflict of interest statementFinancial conflicts: None
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