Clinical course of the patient. a) Estimated glomerular filtration rate (estimate glomerular filtration rate, left y-axis) according to the Chronic Kidney Disease Epidemiology Collaboration equation. The serum creatinine concentration is also shown (mg/dL, right y-axis). b) Urine protein-to-creatinine ratio (left y-axis). On the x-axis, the time after the first renal biopsy within 1 month is shown
Abbreviations: CYP, cyclophosphamide; CsA, cyclosporine; Tac, tacrolimus; Cr, creatinine.