the highest case fatality rate in this age group concerns hospitalization for diseases of the circulatory system with hospital deaths for hospital discharges per cent of case fatalities diseases of the circulatory system constitute per cent of all registered cases of diseases and per cent of new cases hypertensive diseases ischemic heart diseases and cerebrovascular diseases represent respectively per cent per cent and per cent of the circulatory system diseases the incidence rate is much higher in children per children in compared with the general population per population in