* FROM 1987 TO 1995

- Total number of renal biopsies collected

- Number of renal diseases divided into 5 groups

- Annual frequency of renal diseases divided into 5 groups 

- Number and frequency of nephropathies, diagnosed byrenal biopsy in native kidney, during 9 years of activity (1987-1995) 

- Frequency of the most common biopsy proven renal diseasea (# 20074) (1987-1995) 

- Annual frequency of Primary Glomerulonephritis (GN) 

- Annual frequency of Secondary Glomerulonephritis (GN) 

- Annual frequency of Immuno-mediated Glomerulonephritis (GN) 

- Annual frequency of Dysgammaglobulinaemia or Paraproteinaemia associated Nephropathies 

- Annual frequency of Tubulointerstitial Nephropathies 

- Annual frequency of Vascular Diseases associated Nephropathies 

- Miscellaneous: annual frequency 

- Frequency of different forms of Nephropathies in patients with Nephrotic Syndrome

- Frequency of different forms of Nephropathies in patients with Acute Nephritic Syndrome

- Frequency of different forms of Nephropathies in patients with Persistent Urinary Abnormalities

- Frequency of different forms of Nephropathies in patients with Recurrent episodes of Macrohematuria

- Frequency of different forms of Nephropathies in patients with Acute Renal Failure

- Frequency of different forms of Nephropathies in patients with Chronic Renal Failure


* FROM 1996 TO 2000
- Number and percentage of renal diseases divided into 6 groups