Key clinical point: U.S. incidence and prevalence of rheumatoid arthritis are rising faster than the global averages.
Major finding: In the United States, RA incidence rose by 20.7% and prevalence by 17.5% from 1990 to 2017.
Study details: The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 involved 195 countries.
Disclosures: GBD is funded by the Bill and Melinda Gates Foundation. The current analysis also was supported by Social Determinants of Health Research Center, Shahid Beheshti University of Medical Sciences in Tehran, Iran. The investigators did not declare any conflicts of interest.
Safiri S et al. Ann Rheum Dis. 2019 Sep 11. doi: 10.1136/annrheumdis-2019-215920