Fig. 4.

Renal biopsy diagnosis frequencies of the most common glomerular disease subtypes according to patient age. The disease frequencies were estimated from generalized additive logistic models adjusted for gender and renal biopsy era. a The renal biopsy diagnosis frequencies of the most common primary glomerulonephritis subtypes. Percent of all primary glomerulonephritis categories. b The renal biopsy diagnosis frequencies of the most common secondary glomerulonephritis subtypes. Percent of all secondary glomerulonephritis categories.