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According to the results at year 3, minimum and maximum prevalence figures for dementia at year 0 were 2.4% and 3.8% for moderate to severe and 0.4% and 2.4% for mild or early cases, with a best estimate of 3.5% and 0.8%, or 4.3% overall, divided into: senile, Alzheimer's type 3.3%; vascular 0.7%; and alcohol-related 0.3%. The overall incidence of dementia, clinically confirmed by six-year follow-up, was 9.2\/1000 per year (Alzheimer type 6.3, vascular 1.9, alcohol related 1.0). Three years later, 72.0% of those with depressive psychosis and 62.3% of those with depressive neurosis were either dead or had some kind of psychiatric illness. Nearly 60% of milder depressive cases (7.2% of the total sample) had either died or developed a chronic mental illness. The outcome of depressive pseudodementias is equivocal so far. Findings at year 3 provide validation of agecat computer diagnosis against outcome; organic and depression diagnoses are seen to have important implications for prognosis.<\/jats:p>","DOI":"10.1192\/bjp.161.2.230","type":"journal-article","created":{"date-parts":[[2008,10,15]],"date-time":"2008-10-15T04:56:07Z","timestamp":1224046567000},"page":"230-239","source":"Crossref","is-referenced-by-count":217,"title":["Alzheimer's Disease, Other Dementias, Depression and Pseudo-dementia: Prevalence, Incidence and Three-Year Outcome in Liverpool"],"prefix":"10.1192","volume":"161","author":[{"given":"J. R. M.","family":"Copeland","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I. A.","family":"Davidson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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