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ObjectiveTo estimate the annual direct and indirect costs of rheumatoid arthritis (RA) in China and identify the predictors for cost of illness.
MethodsA cross‐sectional study of cost of illness from the societal perspective was conducted on 829 patients with RA in 21 tertiary care hospitals in China between July 2009 and December 2010. Data on demographics, clinical variables, and components of...
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