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  • Title: Variation in Screening Mammography Rates Among Medicare Advantage Plans.
    Author: Rosenkrantz AB, Fleming M, Duszak R.
    Journal: J Am Coll Radiol; 2017 Aug; 14(8):1013-1019. PubMed ID: 28566133.
    Abstract:
    PURPOSE: Prior studies have shown higher screening mammography rates for beneficiaries in capitated managed care Medicare Advantage (MA) plans compared with traditional fee-for-service Medicare. The aim of this study was to explore variation in screening mammography rates at the level of MA managed care plans. METHODS: Using the 2016 MA Healthcare Effectiveness Data and Information Set Public Use File, screening mammography rates were identified for all 385 reporting MA plans. Associations were explored with a range of plan characteristics from this file, as well as from the CMS Part C and Part D Medicare Star Ratings Data File, Medicare Advantage Plan Directory, and Medicare Monthly Enrollment by Plan File. RESULTS: Overall MA plan screening rates were high (mean, 72.6 ± 9.4%) but varied substantially among plans (range, 14.3%-91.8%). Screening rates were higher in nonprofit versus for-profit plans (77.3% versus 71.8%, P < .001), as well as in health maintenance organization or local preferred provider organization plans versus private fee-for-service or regional preferred provider organization plans (71.9%-73.2% versus 65.5%-66.8%, P = .001). Among parent organizations with five or more plans, screening rates were highest for Kaiser Foundation (median, 88.4%) and lowest for Molina Healthcare (median, 65.3%). Screening rates showed small but significant associations with plans' contract lengths, enrolled populations, and counties served. Screening rates showed strong associations (r = 0.796-0.798) with colorectal cancer screening and annual flu vaccine rates and showed moderate associations (r = 0.283-0.365) with ambulatory and preventive care visits, osteoporosis screenings, body mass index assessments, and nonrecommended prostate-specific antigen screenings after age 70. CONCLUSIONS: Screening mammography rates vary considerably among MA plans. With increased federal interest in promoting the MA program, enhanced transparency will be necessary to ensure appropriate Medicare beneficiary participation decision making.
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