[Study of morbidity in patients hospitalized at the Clinic Hospital at the Medical School of the USP-1989].

The diagnostic categories of the patients discharged from the "Hospital das Clínicas" of the University of São Paulo in 1989 were arranged according the International Classification of Diseases (I.C.D.) and analysed. In each Group sex, age and the reason of discharge or death was indicated. The data concerning 39,601 cases were provided by the Medical Data Service of the "Instituto Central" of the "Hospital das Clínicas". Only the principal diagnosis was taken into account. In the "Instituto de Psiquiatria" most the patients (55.4%) were males between 20 and 49 years of age. The main diagnostic categories were affective psychoses (20.3%), schizophrenic disorders (15%), and disorders related to alcoholism (9.5%). The mortality rate was 0.27%. In the "Instituto da Criança" 56% of the patients that left the hospital were male children and 45.8% of them were less than one year old. Regarding to the diagnostic categories the most important one was that of the diseases of the respiratory system with 27.1% of cases, followed by that of infectious and parasitic diseases with 16.0% of cases. Within the respiratory diseases the most important were the pneumonias caused by not specified microorganisms, and within the infectious diseases the most important was the diarrhea of presumably infectious origin. The mortality rate in this Institute was 9.4%. The "Instituto de Ortopedia e Traumatologia" left 3,825 patients 61.7% males, and 46.9% of them were aged between 20 and 49 years. The greatest number of cases (57.1%) belonged to the Chapter "Injury and Poisoning" followed by that of "Diseases of the Muscoleskeletal System" and Connective Tissue Diseases (23.5%). In this Institute the mortality rate was 1.2%. From the "Instituto do Coração" 7,194 patients were discharged; 65% of them were males, varying their age between 50 and 69 years. The diseases of the circulatory system were mostly ischemic heart disease, miocardiopathies and rheumatic heart diseases. Mortality rate in this Institute was 10.8%. The "Instituto Central" was responsible for 65.6% of all the patients discharged from the "Hospital das Clínicas" (26,015 cases). As to the diagnostic categories the predominant chapter was that of "Injury and Poisoning" (12.8% of cases) followed by the "Diseases of the Digestive System" (10.9%) "Neoplasms" (10.8%) and the "Diseases of Circulatory System" (9.2%). The mortality rate in the "Instituto Central" was 7.2%.