{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,13]],"date-time":"2025-12-13T07:00:51Z","timestamp":1765609251213},"reference-count":41,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2004,3,1]],"date-time":"2004-03-01T00:00:00Z","timestamp":1078099200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Geriat Psychiatry"],"published-print":{"date-parts":[[2004,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Different diagnostic criteria differ in their capacity to identify subjects as delirious. It is not known how DSM\u2010IV classification, compared with the DSM\u2010III, DSM\u2010III\u2010R, and ICD\u201010, identifies delirium among individuals with and without dementia and whether the symptom profiles differ between these two subgroups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A cross\u2010sectional study was performed on patients (age\u2009\u2265\u200970 years) in seven acute geriatric wards (<jats:italic>n<\/jats:italic>\u2009=\u2009230) and in seven nursing\u2010homes (<jats:italic>n<\/jats:italic>\u2009=\u2009195) in Helsinki, Finland. Delirium was diagnosed according to the operationalized criteria according to the DSM\u2010III, DSM\u2010III\u2010R, DSM\u2010IV, and clinical criteria of ICD\u201010. Dementia was defined according to consensus judgment among three geriatricians with concise information including: prior dementia diagnoses, Clinical Dementia Rating Scale, operationalized criteria according to the DSM\u2010IV, nurses and\/or caregivers interviews, and the results of the brain CT\/MRI and prior Mini\u2010Mental State Examination scores, when available.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>According to the DSM\u2010III, DSM\u2010IIIR, DSM\u2010IV and ICD\u201010 criteria of delirium 22.7, 23.5, 25.9 and 14.9% of the demented, and 12.9, 13.5, 23.5 and 2.9% of the non\u2010demented, respectively, were diagnosed as delirious. In stepwise logistic regression analysis clouding of consciousness, perceptual disturbances, and disorganized thinking were the most significant contributors to delirium diagnosis according to the DSM\u2010IV among individuals with dementia, whereas perceptual disturbances, motor disturbances, and disorientation were the most significant contributors among those without dementia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>DSM\u2010IV criteria of delirium identify new, often non\u2010demented, subjects as being delirious, while ICD\u201010 is overly restrictive. The symptom profile of delirium was slightly different among individuals with and without dementia. 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