In-Hospital Outcomes and Costs Among Patients Hospitalized During a Return Visit to the Emergency Department

IMPORTANCE: Unscheduled short-term return visits to the emergency department (ED) are increasingly monitored as a hospital performance measure and have been proposed as a measure of the quality of emergency care. OBJECTIVE: To examine in-hospital clinical outcomes and resource use among patients who are hospitalized during an unscheduled return visit to the ED. DESIGN, SETTING, AND PARTICIPANTS: R…