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Chronic damage in non-proliferative lupus nephritis
(A) Box-plots showing the NIH chronicity index in n = 62 LN kidney biopsies according to ISN class. (B, C) NIH chronicity indices (B) and interstitial fibrosis and tubular atrophy (IFTA) percentage (C) in n = 21 ISN class V biopsies according the ISN class of the preceding biopsy. None of the differences across groups reached statistical significance using the Kruskal–Wallis test.
