Data on the structural characteristics of the hospitalized and regularities governing the factors underlying the need among residents of the cities of Novokuznetsk, Ryazan and Novgorod for reanimation and intensive therapy in connection with accidents, poisonings and traumas, as well as circulatory disturbances and diseases of digestive organs are presented. More than one half of all cases of hospitalization in connection with cardiovascular diseases involve myocardial infarction and lesions of the cerebral vessels. The greatest number of hospitalization cases with diseases involving the organs of digestion had as their cause gastroduodenal ulcer and cholelithiasis.