Disease Severity in Never Smokers, Ex‐Smokers, and Current Smokers With Axial Spondyloarthritis: Results From the Scotland Registry for Ankylosing Spondylitis

To examine the relationship between smoking, smoking cessation, and disease characteristics and quality of life (QoL) in spondyloarthritis.The Scotland Registry for Ankylosing Spondylitis collects data from clinically diagnosed patients with spondyloarthritis. Clinical data, including Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Bath Ankylosing Spondylitis Functional Index (BASFI) scores, were obtained from medical...