title: The prevalence of presumed tardive dyskinesia in psychiatric inpatients and outpatients.
abstract: Randomly selected psychiatric patients (271 total) were examined by raters blind to diagnosis and treatment history for the presence of abnormal movements. The prevalence of presumed tardive dyskinesia among neuroleptic-exposed patients was 4.6%. If minimal rating scale criteria were applied, 9% of those patients with no history of neuroleptic exposure might have been given 'presumptive' diagnoses of dyskinesia. Problems in establishing diagnostic criteria  are discussed and a longitudinal approach toward validating diagnoses is recommended.
mesh_terms: D000328:Adult; D000368:Aged; D014150:Antipsychotic Agents / Q000009:adverse effects; D004409:Dyskinesia, Drug-Induced / Q000453:epidemiology* / Q000503:physiopathology; D005260:Female; D006801:Humans; D007297:Inpatients; D008297:Male; D001523:Mental Disorders / Q000150:complications*; D008875:Middle Aged; D010045:Outpatients; D012306:Risk
chemical_list: D014150:Antipsychotic Agents