Risk Factors for Persistent Frequent Emergency Department Use in Medicare Beneficiaries

Study objective We examine factors associated with persistent frequent emergency department (ED) use during a 2-year period among Medicare beneficiaries. Methods We conducted a retrospective, claims-based analysis of fee-for-service Medicare beneficiaries, using the Chronic Condition Data Warehouse’s random 20% sample files. We used multinomial logistic regression models to compare frequent ED use (defined as 4 or more ED visits per year) with...