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BACKGROUND Catatonic signs and symptoms are frequently observed in patients with chronic schizophrenia. Clinical surveys have suggested that the composition of catatonic syndrome occurring in chronic schizophrenia may be different from what is found in acute psychiatric disorders or medical conditions. Consequently, this patient population may need(More)
Previous factor analyses of catatonia have yielded conflicting results for several reasons including small and/or diagnostically heterogeneous samples and incomparability or lack of standardized assessment. This study examined the factor structure of catatonia in a large, diagnostically homogenous sample of patients with chronic schizophrenia using(More)
The objective of the study was to determine the point prevalence of tardive dyskinesia (TD) in Chinese inpatients with chronic schizophrenia and its association with sociodemographic, clinical and treatment variables and other movement disorders. A cross-sectional assessment of a randomly selected cohort of inpatients (n=225; mean age=42+/-7 years) with(More)
No reports have yet been published on catatonia using latent class analysis (LCA). This study applied LCA to a large, diagnostically homogenous sample of patients with chronic schizophrenia who also presented with catatonic symptoms. A random sample of 225 Chinese inpatients with DSM-IV schizophrenia was selected from the long-stay wards of a psychiatric(More)
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