This study was attempted to clarify the phenomenological factors which determine the long-term prognosis of schizophrenia.
137 schizophrenic patients on Sereening Schedule were applied 36 items of Present State Examination, Psychological Impairment Rating Schedule, Scale for the Assessment of Negative Symptoms.
The long-term prognosis of the Diagnostic and Prognostic Schedule was classified in 3 groups as good prognostic group(52), poor prognostic group(38) and the worst prognostic group(47).
To investigate the differentiating components among good prognostic group, poor prognostic group and the worst prognostic group and the component factors of good prognostic group, poor prognostic group and the worst prognostic group, the author tried ANOVA and factor analysis using SPSS/PC^(+)based on the scores of each subitems.
The results of ANOVA and factor analysis were as follows :
1. The results of ANOVA;
Good prognostic group and poor prognostic group was discriminated by the severity of negative symptoms, psychological impairments and the degree of lack of insight, poor prognostic group and the worst prognostic group by the severity of social skills and negative symptoms, good prognostic group and the worst prognostic group by the severity of psychological impairments, negative symptoms and the degree of lack of insight.
2. The results of factor analysis;
In good prognostic group, 5 factors were extracted as negatve symptoms, psychelogical impairments, neurotic symptoms, obsession and perceptual disorders (not hallucinations) and incooperation.
In poor prognostic group, 6 factors were extracted as neurotic symptoms, negative symptoms, psychological impairments, poverty of affect-activity withdrawal and lack of insight, disorder of affect display and derealization and obsession.
In the worst prognostic group, 6 factors were extracted as impairments of social skills, neurotic symptoms, perceptual disorder and lack of insight, negative symptoms, obsession and delusions and incooperation and depression.
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