Ab0349 #ACR22 BEL vs AZA ifn risks in non-renal SLE BEL: lower risk of severe ifn (HR 0.81) and hospitalization for ifn (HR 0.73) through 5 yrs Challenge to interpret data as 56% of patients were on glucocorticoids and other anti-rheumatic meds @RheumNow https://t.co/a0tNFn5Wqr