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Measuring physicians' quality and performance: Adrift in Lake Wobegon

Berwick DM. Measuring physicians' quality and performance: Adrift in Lake Wobegon. Journal of the American Medical Association. 2009 Dec 9;302(22):2485-2486.

This editorial comments on a study that looked at the relationship of primary care physicians' Medicare patient caseload with measurements of physician quality and cost performance. The study concluded that relatively few practices are large enough to reliably measure differences in these key dimensions. Dr. Berwick offers suggestions for defining systemic measures of practice performance that can yield meaningful data from which we can all learn.

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Measuring physicians' quality and performance: Adrift in Lake Wobegon