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Delirium and dementia were diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition) criteria. Of the 129 patients with delirium, 54 (42%) had a dementia disorder. Patients with delirium superimposed on dementia more often had any hyperactive and pure emotional delirium. Communication difficulties and symptoms such as restlessness\/agitation, aggressive behavior, and irritability were more commonly found in the dementia group. In contrast, patients with delirium but without dementia were more often diagnosed with pure hypoactive and any psychotic delirium. The symptom profile of postoperative delirium varies according to whether it occurs in patients with or without dementia. This may indicate that postoperative delirium among patients with hip fracture differs based on the presence or absence of dementia.<\/jats:p>","DOI":"10.1177\/0891988712455221","type":"journal-article","created":{"date-parts":[[2012,11,2]],"date-time":"2012-11-02T07:31:41Z","timestamp":1351841501000},"page":"162-169","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["Symptom Profile of Postoperative Delirium in Patients With and Without Dementia"],"prefix":"10.1177","volume":"25","author":[{"given":"Maria","family":"Lundstr\u00f6m","sequence":"first","affiliation":[{"name":"Geriatric Medicine, Ume\u00e5 University, Ume\u00e5, Sweden"},{"name":"Department of Nursing, Ume\u00e5 University, SE-901 87 Ume\u00e5, Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Stenvall","sequence":"additional","affiliation":[{"name":"Geriatric Medicine, Ume\u00e5 University, 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