[Onset and course of schizophrenia (the results of a statistical study)]

The report contains the results of an examination of 709 patients with catatonia, paranoid, schizoaffective forms of schizophrenia. The study involved an investigation of the form, sex, general amount of psychotic episodes depending upon the time of observation, duration of productive episodes and the intervals between them. The achieved results indicate to a close correlation between the productive manifestations in schixophrenia and affective psychosis.