The spillover effects of Medicare's comprehensive care for joint replacement (CJR) model in California.

ABSTRACT: The Comprehensive Care for Joint Replacement (CJR) model, a bundled Medicare payment for lower extremity joint replacement (LEJR), was initially randomized across the United States, providing a unique opportunity to study the broad impact of this alternative payment model. This study aimed to determine the spillover effects of the CJR model on older patients in California covered outside of the traditional Medicare program. The study analyzed hospitalizations for hip and knee joint replacement in California between January 2014 and December 2017 from the California Patient Discharge Dataset. The study used event study and difference-in-differences models to estimate changes in discharge-related outcomes in hospitals in treated and control areas before versus after CJR implementation (April

SUBMITTER: Kim N 

PROVIDER: S-EPMC12005494 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature