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TRENDS
Long-Term Trends In The Concentration Of Medicare Spending
Gerald F. Riley
Medicare spending is concentrated among a few high-cost beneficiaries who are often targeted by cost-saving interventions. The Continuous Medicare History Sample file was used to analyze trends in the spending concentration over thirty years. Annual expenditures became less concentrated over time, although the year-to-year persistence of person-level high costs remained strong. There was an increase in the prevalence of chronic conditions among high-cost beneficiaries, which supports the rationale for focusing cost-saving interventions on chronic disease management. However, the decrease in concentration may reduce the potential savings from interventions focused on such beneficiaries.

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WRITING GROUP MEMBERS, D. Lloyd-Jones, R. Adams, M. Carnethon, G. De Simone, T. B. Ferguson, K. Flegal, E. Ford, K. Furie, A. Go, et al.
Heart Disease and Stroke Statistics--2009 Update: A Report From the American Heart Association Statistics Committee and Stroke Statistics Subcommittee
Circulation,
January 27, 2009;
119(3):
e21 - e181.
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