Retrospective cohort study shows the risk of RA was lower in T2DM/diabetes (aHR 0.73; 95% CI 0.67–0.79) vs without T2DM. This risk was lost in when statins were not used (aHR 0.89; 0.69–1.14). Statins (in T2DM) had a protective effect against RA onset https://t.co/CfMJIuGOXI