2,899 RA and 112,571 OA pts had THA or TKA. RA had more infections (HR 1.29;1.03-1.61) post THA/TKA, but fewer VTE (HR 0.60; 0.26-0.98) post TKA. Biologics in RA had a similar infx risk but more VTE (HR 4.82;1.67-13.9) vs non-biologics. https://t.co/Lv1QLbjZjx