In an effort to contain health care costs, Medicare initiated a prospective payment system based on diagnosis-related groups (DRGs) in 1983. In 1985, RAND began a study to determine the effect of DRG-based prospective payment on quality of care for hospitalized Medicare patients. Six diseases (congestive heart failure, acute myocardial infarction, hip fracture, pneumonia, cerebrovascular accident, and depression) were selected for study in each of five states (California, Florida, Indiana, Pennsylvania, and Texas). This Note documents the medical record abstraction form and guidelines used to collect data from the medical records of patients hospitalized with congestive heart failure.
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