• Marc N Elliott, John L Adams, David J Klein, Amelia M Haviland, Megan K Beckett, Ron D Hays, Sarah Gaillot, Carol A Edwards, Jacob W Dembosky, and Eric C Schneider.
• RAND Corporation, Santa Monica, CA, USA. Elliott@rand.org.
• J Gen Intern Med. 2021 Dec 1; 36 (12): 366536713665-3671.

BackgroundPrior studies using aggregated data suggest that better care coordination is associated with higher performance on measures of clinical care process; it is unclear whether this relationship reflects care coordination activities of health plans or physician practices.ObjectiveEstimate within-plan relationships between beneficiary-reported care coordination measures and HEDIS measures of clinical process for the same individuals.DesignMixed-effect regression models in cross-sectional data.Participants2013 Medicare Advantage CAHPS respondents (n=152,069) with care coordination items linked to independently collected HEDIS data on clinical processes.Main MeasuresCare coordination measures assessed follow-up, whether doctors had medical records during visits, whether doctors discussed medicines being taken, how informed doctors seemed about specialist care, and help received with managing care among different providers. HEDIS measures included mammography, colorectal cancer screening, cardiovascular LDL-C screening, controlling blood pressure, 5 diabetes care measures (LDL-C screening, retinal eye exam, nephropathy, blood sugar/HbA1c <9%, LCL-C<100 mg/dL), glaucoma screening in older adults, BMI assessment, osteoporosis management for women with a fracture, and rheumatoid arthritis therapy.Key ResultsFor 9 of the 13 HEDIS measures, within health plans, beneficiaries who reported better care coordination also received better clinical care (p<0.05) and none of the associations went in the opposite direction; HEDIS differences between those with excellent and poor coordination exceeded 5 percentage points for 7 measures. Nine measures had positive associations (breast cancer screening, colorectal cancer screening, cardiovascular care LDL-C screening, 4 of 5 diabetes care measures, osteoporosis management, and rheumatoid arthritis therapy).ConclusionsWithin health plans, beneficiaries who report better care coordination also received higher-quality clinical care, particularly for care processes that entail organizing patient care activities and sharing information among different healthcare providers. These results extend prior research showing that health plans with better beneficiary-reported care coordination achieved higher HEDIS performance scores.© 2021. Society of General Internal Medicine.

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