A Contribution to the Age-distribution and the Birth Order in Schizophrenia and Schizo-affective Psychosis

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書誌事項

公開日
1978
DOI
  • 10.5361/jkmu1956.30.supplement_s1
公開者
The Medical Society of Kansai Medical University

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説明

The age-distribution and the birth or der have been investigated on 1,207 schizophrenics and on 270 patients of schizo-affective psychosis. At the same time,1,156 patients of psychogenic disorder were investigated for the aim of the comparison.<BR>1) Similarity was recognized in the age-distribution graph between schizophrenia and schizo-affective psychosis. But these psychoses seemed different from psychogenic disorders (mostly neurotics) in the age-distribution. In schizophrenia, excess of male patients over female patients was conspicuous before thirty but vice versa after thirty. So it seemed that the onset in female schizophrenics was somewhat later than in males. The incidence of schizophrenia was most frequently observed in ages 20-24 in both sexes.<BR>In schizo-affective psychosis, excess of female patients over male patients was recognized in every age-section and the male-female ratio was approximately 1: 3. The onsets were also most frequently distributed in ages 20-24, but this was more prominent in male patients.<BR>2) As to the birth order, schizophrenia seemed to indicate abnormal distribution in contrast to psychogenic disorders, and scbizo-affective psychosis seemed to be situated between the two. In addition, we were impressed that abnormal distribution of the birth order was quite apparent only in male patients of schizophrenia.

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