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Abstract

Prior analyses of Medicare health plans have examined either utilization of services or quality of care, but not both jointly. Our objective was to compare utilization and quality for Medicare Advantage (MA) enrollees with diabetes or cardiovascular disease to that for similarly defined traditional Medicare (TM) beneficiaries. Study Design: Cross-sectional matched observational study using data for 2007. Methods: We obtained individual-level Healthcare Effectiveness Data and Information Set (HEDIS) relative resource use (RRU) and quality data for patients enrolled in MA, and then developed comparable claims-based measures for matched samples of TM beneficiaries. Main outcome measures: utilization levels for inpatient care, evaluation and management services, and surgery; number of emergency department (ED) and inpatient visits; and quality of ambulatory care measures. Results: We studied approximately 680,000 MA health maintenance organization (HMO) enrollees with diabetes and 270,000 HMO enrollees with cardiovascular conditions. For both conditions and almost all major strata, the RRU was lower for those enrolled in MA than for those in TM. Spending for those with diabetes was $5223 for MA HMO enrollees compared with $6413 for those in TM (cost ratio, 0.81; P<.001 ed="" utilization="" rates="" were="" consistently="" lower="" in="" ma="" than="" tm="" vs="" visits="" enrollees="" rate="" ratio="" p="" health="" plans="" that="" are="" more="" established="" nonprofit="" and="" larger="" generally="" had="" resource="" use="" better="" relative="" quality="" did="" smaller="" newer="" for-profit="" hmos="" or="" preferred="" provider="" organizations.="" conclusions:="" rru="" for="" those="" with="" diabetes="" cardiovascular="" disease="" is="" while="" of="" care="" higher.="" may="" add="" value="" to="" the="" these="" major="" chronic="" medical="" conditions.="">

Citation

Landon, Bruce E., Alan Zaslavsky, Robert Saunders, Gregory L. Pawlson, Joseph P. Newhouse, and John Ayanian. "A Comparison of Relative Resource Use and Quality in Medicare Advantage Health Plans Versus Traditional Medicare." American Journal of Managed Care 21.8 (August 2015): 559-566.