Case-control study of 821 #RA cases & comorbidities between 2009 - 2018 shows some occur after RA- epilepsy (OR 2.13), sleep apnea (1.49), pulm fibrosis (4.63); others predispose to RA, IBD (3.82), T1DM (3.07), VTE (1.80) https://t.co/OV1FsAtMH6