The Annual Diagnostic Prevalence of Ankylosing Spondylitis and Axial Spondyloarthritis in the United States Using Medicare and MarketScan Databases.
Jeffrey R CurtisKevin WinthropRhonda L BohnRobert SurukiSarah SiegelJeffrey L StarkFenglong XieHuifeng YunLang ChenAtul A DeodharPublished in: ACR open rheumatology (2021)
AS and axSpA prevalence may have increased in the United States between 2006 and 2014. Reasons are unknown, but this may be due to increased disease awareness, among other factors.