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Objective Our objective was to estimate the economic and humanistic burden among US adults with rheumatoid arthritis (RA). Methods This study analyzed results from the Medical Expenditure Panel Survey from 2018 to 2020. Adults (aged ≥18 years) self‐reporting with RA or with the presence of the International Classification of Disease, 10th Revision clinical modification codes were identified. Healthcare expenditures (inpatient care, outpatient care, emergency department, office visits, prescription medications, home health, and others) were measured. The Short Form 12 Health Survey physical component summary (PCS), mental component summary (MCS), activities of daily living (ADL), and instrumental ADL (IADL) were measured. Two‐part models assessed the incremental increase in the health care expenditures for the RA group compared to the non‐RA group. In addition, the multivariable linear regression was used to evaluate the marginal difference in PCS and MCS between those with RA and those without RA, whereas the multivariable logistic regression models were used to evaluate the association between ADL and IADL by RA status. Results Annually, 4.27 million adults with RA were identified. The two‐part model showed significantly higher total annual healthcare expenditures in the RA group than non‐RA group (mean $3,382.971 [95% confidence interval (CI) $1,816.50–$4,949.44]). Compared to the non‐RA group, the RA group was associated with lower PCS scores (mean 4.78 [95% CI 3.47–6.09]) and similarly lower MCS scores (mean −0.84 [95% CI −2.18 to 0.50]), as well as increased odds of requesting ADL (adjusted odds ratio [aOR] 2.02 [95% CI 1.59–2.56]) and IADL assistance (aOR 2.11 [95% CI 1.57–2.84]). Conclusion RA was associated with higher health care expenditures, particularly prescription medication costs, and was associated with suboptimal quality of life. |
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