Aim. To identify the pattern of distribution of nephropathy in a limited population (living in the same area) with the same risk factors ratio for the development of this disease. Methods. Conducted was an analysis of annual statistical reports of the nephrological morbidity in the Udmurt Republic, covering 306,355 children. Calculated were the intensive parameters that characterize the incidence among child population, using the method of calculating the relative magnitudes of clarity.

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... d was a retrospective analysis of 8379 case histories of children admitted to the Children's Nephrology Department of the Budget Institution of the Ministry of Health Care of the «Republican Children's Clinical Hospital of the Ministry of Health care of the Udmurt Republic» with diseases of the urinary system. Results. Revealed was a high incidence of urinary tract pathology in children of all age groups with a tendency for increase in both the general and primary morbidity, regardless of the place of residence. Stated was an increase in the detection rate of chronic renal failure in early childhood, which in 86.1% of cases developed secondary to congenital and hereditary diseases of the urinary system. Conclusion. The obtained data should be considered when planning the children's nephrology urology services of the Udmurt Republic.