#RNL2023 Year in Review Sputum antibody predicts future development of RA Hazard ratio 4.2 if any sputum antibody positive (CCP IgG/IgA, RF IgM and IgA) Strongest association with CCP IgA Supports pre-RA as mucosal disease @RheumNow https://t.co/Js4JPZiLDB