Fig. 4From: Comparison of the 2018 and 2003 International Society of Nephrology/Renal Pathology Society classification in terms of renal prognosis in patients of lupus nephritis: a retrospective cohort studyKaplan–Meier analysis with a 30% decline of eGFR in patients of all classes. a Class (I or II, III, IV, III+V, IV+V, V). b Modified National Institute of Health Activity index (AI ≤ 8, 9 ≤ AI). c Modified National Institute of Health chronicity index (CI ≤ 4, 5 ≤ CI)Back to article page