Methods – study population
Study group divided into glomerular (GN) and non glomerular - tubular/tubulointerstitial (TI)
Glomerular
- Renal biopsy
- Significant(ɮ gm/day ) proteinuria
- Sediments – RBC, RBC casts
- Low C3, when available
Tubular/ Tubulo-interstitial
- Renal Biopsy
- Clinical setting
- Insignificant proteinuria