FRI0470 Cigarette smoking has a dose-dependent relationship with disease activity and correlates with more functional limitation and worse health assessment in the patients with ankylosing spondylitis

Abstract

BackgroundAnkylosing spondylitis (AS) is a chronic inflammatory disease that mainly affects the axial skeleton by causing inflammatory and osteoproliferative changes in the sacroiliac joints and spinal structures [1]. Cigarette smoking...