Progression of Nonradiographic Axial Spondyloarthritis to Ankylosing Spondylitis: A Population‐Based Cohort Study

• Published in: Arthritis & rheumatology (Hoboken, N.J.) Vol. 68; no. 6; pp. 1415 - 1421
• Main Authors: Wang, Runsheng, Gabriel, Sherine E., Ward, Michael M.
• Format: Journal Article
• Language: English
• Published: United States Wiley Subscription Services, Inc 01.06.2016
• Subjects: Adolescent; Adult; Cohort Studies; Confidence intervals; Disease Progression; Female; Humans; Male; Middle Aged; Spondylarthritis - complications; Spondylitis, Ankylosing - etiology; Survival analysis; Young Adult

Objective The long‐term outcome of patients with nonradiographic axial spondyloarthritis (SpA) is unclear, particularly whether few or most progress to ankylosing spondylitis (AS). Our objective was to examine the progression to AS in a population‐based inception cohort of patients with nonradiograp...