The current practice of reporting at the individual physician level in “transparency” initiatives doesn’t capture the value of care coordination, and encounters problems due to small sample sizes and difficulties in determining accountability for care when multiple providers deliver services. CAPP embarked on research to better understand the impact of reporting levels on sample size needs, the number of available measures, and attribution methods.

Resulting publication: This research has been published as Meaningful Variation in Performance: What Does Variation in Quality Tell Us About Improving Quality? in Medical Care, February, 2010.