Mary A Gerend1, Russell Bradbury2, Jeffrey S Harman2, George Rust2. 1. Department of Behavioral Sciences & Social Medicine, College of Medicine, Florida State University, Tallahassee, FL, USA. mary.gerend@med.fsu.edu. 2. Department of Behavioral Sciences & Social Medicine, College of Medicine, Florida State University, Tallahassee, FL, USA.
Abstract
BACKGROUND: After a certain age, cancer screening may expose older adults to unnecessary harms with limited benefits and represent inefficient use of health care resources. OBJECTIVE: To estimate the frequency of cervical, breast, and colorectal cancer screening among adults older than US Preventive Services Task Force (USPSTF) age thresholds at which screening is no longer considered routine and to identify physician and patient factors associated with low-value cancer screening. DESIGN: Observational study using pooled cross-sectional data (2011-2016) from the National Ambulatory Medical Care Survey, a nationally representative probability sample of US office-based physician visits. PARTICIPANTS: Analyses for cervical and breast cancer screening were limited to visits by women over age 65 (N=37,818) and ages 75 and over (N=19,451), respectively. Analyses for colorectal cancer screening were limited to visits by patients over age 75 (N=31,543). MAIN MEASURES: Cancer screening procedures were coded as low value using USPSTF age thresholds. KEY RESULTS: Between 2011 and 2016, an estimated 509, 507, and 273 thousand potentially low-value Pap smears, mammograms, and colonoscopies/sigmoidoscopies, respectively, were ordered annually. Low-valuecervical cancer screening was less likely to occur for visits with older (vs. younger) patients. Compared to visits by non-HispanicWhite women, low-valuecervical and breast cancer screening was less likely to occur for visits by women whose race/ethnicitywas something other than non-HispanicWhite, non-HispanicBlack, or Hispanic. Obstetrician/gynecologistswere more likely to order low-valuePap smears and mammograms compared to family/generalpractice physicians. CONCLUSIONS: Thousands of cervical, breast, and colorectal cancer screenings at ages beyond routine guideline thresholds occur each year in the USA. Further research is needed to understand whether this pattern represents clinical inertia and resistance to de-adoption of previous screening practices, or whether physicians and/or patients perceive a higher value in these tests than that endorsed by experts writing evidence-based guidelines.
BACKGROUND: After a certain age, cancer screening may expose older adults to unnecessary harms with limited benefits and represent inefficient use of health care resources. OBJECTIVE: To estimate the frequency of cervical, breast, and colorectal cancer screening among adults older than US Preventive Services Task Force (USPSTF) age thresholds at which screening is no longer considered routine and to identify physician and patient factors associated with low-value cancer screening. DESIGN: Observational study using pooled cross-sectional data (2011-2016) from the National Ambulatory Medical Care Survey, a nationally representative probability sample of US office-based physician visits. PARTICIPANTS: Analyses for cervical and breast cancer screening were limited to visits by women over age 65 (N=37,818) and ages 75 and over (N=19,451), respectively. Analyses for colorectal cancer screening were limited to visits by patients over age 75 (N=31,543). MAIN MEASURES: Cancer screening procedures were coded as low value using USPSTF age thresholds. KEY RESULTS: Between 2011 and 2016, an estimated 509, 507, and 273 thousand potentially low-value Pap smears, mammograms, and colonoscopies/sigmoidoscopies, respectively, were ordered annually. Low-valuecervical cancer screening was less likely to occur for visits with older (vs. younger) patients. Compared to visits by non-HispanicWhite women, low-valuecervical and breast cancer screening was less likely to occur for visits by women whose race/ethnicitywas something other than non-HispanicWhite, non-HispanicBlack, or Hispanic. Obstetrician/gynecologistswere more likely to order low-valuePap smears and mammograms compared to family/generalpractice physicians. CONCLUSIONS: Thousands of cervical, breast, and colorectal cancer screenings at ages beyond routine guideline thresholds occur each year in the USA. Further research is needed to understand whether this pattern represents clinical inertia and resistance to de-adoption of previous screening practices, or whether physicians and/or patients perceive a higher value in these tests than that endorsed by experts writing evidence-based guidelines.
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