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Trends in the burden of end-stage lupus nephritis in the United States, with incidence ratios standardized (by age, sex, and race) against the 1995–1996 biennium. Dark triangles indicate the chronology of notable randomized intervention studies. Error bars refer to 95% confidence intervals around the standardized incidence ratios (SIRs). MMF, mycophenolate mofetil.
