Type of nephropathy Frequency Percentage 1.Primary glomerulopathy 39 48,8% 2. Secondary glomerulopathy 9 11.2% 3. Obstructive uropathy 22 27.5% 4. Hereditary 2 2.5% 5. Congenital: hypoplasia or renal dysplasia 8 10% Total 80 100%

Table 2: Common causes of ESRD resulting in chronic peritoneal dialysis in the population of 80 children at Cayetano Heredia National Hospital