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Health differences key to variation in Medicare costs: analysis
Modern Healthcare

An analysis of the dramatic geographic variation in U.S. healthcare spending contends that the health of the patients—not what doctors and hospitals do—accounts for most of the differences. The new research is the latest to seek an explanation beyond demographics or the cost of living for why Medicare costs differ so much from one community to another. Because the answer could identify waste and unnecessary Medicare spending, the question has prompted contentious debate and ongoing research by the Institute of Medicine at the request of Congress.