[Hospitalized psychiatric population in the Mexican Institute of the Social Security, 1971-1976]. / Estudio comparativo de población psiquiátrica hospitalaria en el Instituto Mexicano del Serguro Social, 1971-1976.

This paper emphasizes the importance of having an objective registration system for clinical cases in a psychiatric hospital. For this purpose, special sheets were designed to register all cases comparing the years 1971 and 1976. During these years, 1 202 and 1 835 cases were obtained. Data included: age, sex, marital status, schooling, occupation, diagnosis, psychiatric family history and therapy. The results for those years are shown.