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Recent advances in epidemiology of dementia among the elderly. Akihide KARASAWA 1 1Tokyo Metropolitan Institute of Gerontology pp.766-777
Published Date 1989/10/10
DOI https://doi.org/10.11477/mf.1431906329
  • Abstract
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1. According to recent survey data in Japan, the prevalence of dementia among the elderly aged 65 years old and over residing at home is 3.0~5.5%, including mild cases, and the prevalence of moderate or severe cases is 1.1~3.0%. These figures are slightly smaller than those reported in Europe and the U.S.A..

2. Although no accurate number of demented elderly persons in institutions such as old people's homes, nursing homes and hospitals has been made clear yet in Japan, it can be said that the preva-lence of dementia is the highest in nursing homes and in geriatric hospitals (about 50~70%), which isfollowed by that in old people's homes (about 20%). Since the total number of beds of general hospitals is very large (over a million), the number of demented elderly patients there has a great effect on the total number of dementia. Recently some authors reported that the prevalence of dementia in gen-eral hospitals was considerably high (9.5%), a fact that is now drawing much attention.


Copyright © 1989, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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