[Epidemiologic study about the variation of the demand in mental health in the last two decades].

We have investigated age, sex, nationality, origin, diagnosis and treatment types in ambulatory patients of the External Clinics of the Division Health Mental of the General Hospital for Acute Patients "Dr. Teodoro Alvarez", of 600 Clinical Histories obtained in the years 1980, 1990 and 2000. These data have been extracted with the purpose of studying probable changes in the social and psychopathologic conformation of the patients, in the last two decades.