Abstract Number: 1231 • 2015 ACR/ARHP Annual Meeting
The Prevalence of Non-Radiographic Axial Spondyloarthritis Among Patients with Inflammatory Back Pain in Rheumatology Practices
Background/Purpose: The diagnosis of Ankylosing Spondylitis (AS) is delayed by >10 years after the symptoms develop, as by definition the modified NY criteria for classification…