**OBJECTIVE:** To estimate the burden of Clostridium difficile infections (CDIs) due to interfacility patient sharing at regional and hospital levels.
**DESIGN:** Retrospective observational study.
**METHODS:** We used data from the Healthcare Cost …
**OBJECTIVE:** To determine the effect of interhospital patient sharing via transfers on the rate of Clostridium difficile infections in a hospital.
**DESIGN:** Retrospective cohort. METHODS: Using data from the Healthcare Cost and Utilization …