Patient selection in the Comprehensive Care for Joint Replacement model

To understand whether the Comprehensive Care for Joint Replacement (CJR) program induces participating hospitals to (1) preferentially select lower risk patients, (2) reduce 90-day episode-of-care costs, (3) improve quality of care, and (4) achieve greater cost reduction during its second year, when downside financial risk was applied.We identified beneficiaries of age 65 years or older undergoing hip or knee joint replacement in the 100% sample...