Beyond glomeruli: interstitial fibrosis and tubular atrophy predict poor renal outcomes in lupus nephritis
To evaluate the prevalence, associated factors, and prognostic performance of NIH activity index–defined interstitial inflammation (NIH-TII) and interstitial fibrosis and tubular atrophy (IFTA) in lupus nephritis (LN). This retrospective cohort study analyzed 195 renal biopsy ep…