Abstract:ObjectiveTo evaluate the regional variation of cost sharing and associations with rheumatoid arthritis (RA) disease burden in the US.MethodsPatients with RA from rheumatology practices in Northeast, South, and West US regions were evaluated. Sociodemographics, RA disease status, and comorbidities were collected, and Rheumatic Disease Comorbidity Index (RDCI) score was calculated. Primary insurance types and copay for office visits (OVs) and medications were documented. Univariable pairwise differences between … Show more
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