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Prevalence of Dementia and Its Subtypes in an Elderly Urban Korean Population: Results from the Korean Longitudinal Study on Health and Aging (KLoSHA)

Authors
Jhoo, Jin HyeongKim, Ki WoongHuh, YoonseokLee, Seok BumPark, Joon HyukLee, Jung JaeChoi, Eun AeHan, ChangsuChoo, Il HanYoun, Jong ChulLee, Dong YoungWoo, Jong Inn
Issue Date
2008
Publisher
KARGER
Keywords
Dementia, prevalence; Alzheimer' s disease; Vascular dementia; Dementia of Lewy body; Korean population
Citation
DEMENTIA AND GERIATRIC COGNITIVE DISORDERS, v.26, no.3, pp.270 - 276
Indexed
SCIE
SCOPUS
Journal Title
DEMENTIA AND GERIATRIC COGNITIVE DISORDERS
Volume
26
Number
3
Start Page
270
End Page
276
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/125500
DOI
10.1159/000160960
ISSN
1420-8008
Abstract
Background/Aims: We estimated the prevalence of dementia and its major subtypes in an elderly urban Korean population. Methods: A study population of 1,118 Korean elders was randomly sampled from the residents aged 65 years or older living in Seongnam, Korea. Standardized face-to-face interviews, and neurological and physical examinations were conducted on 714 respondents. Dementia was diagnosed according to the DSM-IV diagnostic criteria, and its subtypes were determined according to the criteria of the NINCDS-ADRDA, the NINDS-AIREN, and the consensus guideline proposed by McKeith et al. [Neurology 1996; 47: 1113-1124]. Results: The estimated age- and gender-standardized prevalences were 6.3% for dementia (95% CI = 4.5-8.1), 4.8% for Alzheimer's disease (AD; 95% CI = 3.3-6.4), 1.0% for vascular dementia (VD; 95% CI = 0.3-1.8), and 0.4% for dementia with Lewy bodies (DLB; 95% CI = 0.0-0.9). The prevalence of AD consistently increased with age, whereas that of VD peaked at age 75-79 years and decreased thereafter. Of the dementia patients, 72.0% were in the very mild or mild stages of the disease. Conclusions: The prevalence of dementia in a typical urban area of Korea was estimated to be 6.3%, and AD was the most prevalent subtype. DLB was less prevalent than VD among these community-dwelling Korean elders. Copyright (C) 2008 S. Karger AG, Basel
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