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Modern diagnosis schizophrenia in hospitalized psychiatric patients

Published Online:https://doi.org/10.1176/ajp.137.11.1419

The authors applied modern criteria to the diagnosis of 254 patients admitted to the psychiatric wards of an urban hospital. They found that only 16 (6.3%) met the St. Louis criteria for schizophrenia. Other studies using similar criteria also reported a consistently low prevalence of schizophrenia in general psychiatric inpatient populations. However, 30 "undiagnosed" patients (12%) in this study narrowly missed the definite diagnosis of schizophrenia because of the presence of affective disorder and/or insufficient duration of symptoms. The authors discuss the clinical and research implications of these findings.

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