Apopulation health approach to reducing observational intensity bias in health risk adjustment: cross sectional analysis of insurance claims OPEN ACCESS


Objective To compare the performance of two new approaches to risk adjustment that are free of the influence of observational intensity with methods that depend on diagnoses listed in administrative databases. Setting Administrative data from the US Medicare program for services provided in 2007 among 306 US hospital referral regions. Design Cross sectional… (More)


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