A retrospective cohort study of 195 renal Bx from 135 Lupus Nephritis pts, Mod-Severe interstitial fibrosis and tubular atrophy (IFTA) strongly assoc w/non-renal response & ESRD progression (HR 8.9) (also w/ age, SLE duration, prior LN flares, higher chronicity index) https://t.co/3JGLi5R5Fs