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Progression-free survival (PFS) according to proteinuria status. Kaplan-Meier estimates of PFS according to proteinuria status. The median PFS was significantly longer for patients who had development or aggravation of proteinuria (PU) (median PFS, 245 days, 95% confidence interval [CI], 150 to 340 vs. median PFS, 469 days, 95% CI, 198 to 740; p = 0.020).
