[Frequency and structure of chronic diseases of ear, throat and nose among population and their dynamics].

Medical examinations of children and adults have shown that ENT diseases amount to 230 and 190 per 1000, respectively. In terms of types of ENT diseases, chronic tonsilitis (38.4%) and adenoids (23.3%) are most prevalent among children and neurosensory hypoacusis (31.1%) and chronic pharyngitis (19.3%)--among the adult population. Trends in the prevalence and types of chronic ENT diseases have been identified.