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This study subgroups schizophrenic patients based on symptoms assessed on admission and examines the validity of the subgrouping using follow-up data and other clinical outcome variables. Schizophrenic patients (n=163) from consecutive admission received ratings on the positive and negative syndrome scale (PANSS) on admission and during a 1-year follow-up course. An exploratory graphic analysis on...
We examined the relationships between symptom dimensions derived from factor analytic studies of schizophrenic symptoms and sustained attention deficits. Four factors, negative, delusion/hallucination, disorganization, and excitement, were yielded from factor analysis on 14 items of the Positive and Negative Syndrome Scale (PANSS) among 60 Chinese inpatients with acute schizophrenia. The negative...
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