Abstract Number: 709 • 2015 ACR/ARHP Annual Meeting
Progression of Patients with Non-Radiographic Axial Spondyloarthritis to Ankylosing Spondylitis: A Population-Based Cohort Study
Background/Purpose: The long-term outcome of patients with non-radiographic axial spondyloarthritis (nr-axSpA) is unclear, particularly whether few or most progress to ankylosing spondylitis (AS). Our objective…