A#2297 #ACR23 @RheumNow Baseline IFNα predicts complete response at 2 yrs in LN HIgh IFNα: incr risk of 2+ renal flare Increase of 1 unit of IFNα incr risk of 2+ flares by 35% & risk of decr GFR IFNα cutoff 0.6 for 2+ flare, 1.3 for progr to eGFR <15 AUC 0.6 (weak predictor) https://t.co/FKeDJVNyYj