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Can data envelopment analysis provide a scalar index of 'value'?
Bryan Dowd1, Tami Swenson, Robert Kane
1HSRP, University of Minnesota, Minneapolis, Minnesota, USA.
Abstract:
The concept of 'value' typically includes a combination of cost and quality measures. Some approaches to incorporating value into payment systems treat cost and quality as separate dimensions, but policymakers have expressed interest in a single scalar index that combines cost and quality. Treating risk-adjusted cost as an input and multiple measures of quality as outputs, we examine whether data envelopment analysis input efficiency is associated with higher quality and lower cost in a sample of physician practices using 2008 US Medicare claims data from Colorado. The findings suggest that input efficiency might provide a useful scalar measure of value for a value-based payment system for physician services.
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