Korean retrospective claims analysis of #RA (n=54 .7K; 39K RF/CCP+) (2010-2019; F/U 4.3 yrs) saw Parkinsons dx in 290 RA; Compared to controls, RA had a significant 1.74-fold higher risk of PD (found in seropos HR 1.95) but not seroneg RA https://t.co/GRahCXDuYt https://t.co/ohWK51frFr