Renal Survival Rate of IgA Nephropathy

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Abstract
In an attempt to identify prognostic indicators in IgA nephropathy, we evaluated the relationship between clinical and histological findings and changes in renal function in 81 patients with IgA nephropathy whose creatinine clearance was more than 80 ml/min at the time of renal biopsy. The incidence of patients whose creatinine clearance decreased to less than 60 ml/min during the follow-up period was calculated with the life table method to designate the renal survival rate. This rate was compared according to the clinical and histological findings at the time of renal biopsy. In conclusion, a statistically significant decrease in the renal survival rate was observed in patients with proteinuria of more than 1.0 g/day, hypertension, severe diffuse proliferative glomerulonephritis, diffuse proliferative glomerulonephritis with focal crescents and glomerular deposition of IgM and/or fibrinogen-related antigen.