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Prevalence of Mild Cognitive Impairment and Its Subtypes Are Influenced by the Application of Diagnostic Criteria: Results from the Korean Longitudinal Study on Health and Aging (KLoSHA)

Cited 22 time in Web of Science Cited 24 time in Scopus
Authors
Lee, Seok Bum; Kim, Ki Woong; Youn, Jong Choul; Park, Joon Hyuk; Kim, Myoung-Hee; Jhoo, Jin Hyeong; Lee, Dong Young; Woo, Jong Inn; Choo, Il Han; Choi, Eun Ae; Lee, Jung Jae
Issue Date
2009
Publisher
KARGER
Citation
DEMENTIA AND GERIATRIC COGNITIVE DISORDERS; Vol.28, No.1; 23-29
Keywords
Mild cognitive impairmentDiagnostic criteriaKoreaPrevalence
Abstract
Aims: We investigated the influence of varying applications of diagnostic criteria on the prevalence of mild cognitive impairment (MCI) in community-dwelling Korean elders. 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, with neurological and physical examinations, were conducted with 714 respondents. Cognitive function was evaluated using the Korean version of the CERAD Neuropsychological Assessment Battery, digit span test, and lexical fluency test. Activities of daily living were evaluated using the Blessed Dementia Scale in the CERAD Clinical Assessment Battery (Korean version). Using variable sets of operational diagnostic criteria, the prevalence of MCI was estimated. Results: Age- and gender-standardized prevalence estimates according to the Petersen criteria were 28.6% (95% CI = 25.3-31.9) for overall MCI, 17.0% (95% CI = 14.3-19.8) for amnestic MCI, and 11.5% (95% CI = 9.2-13.9) for non-amnestic MCI. However, the estimated prevalence of MCI varied widely (8.3-27.6%) according to the applied operational diagnostic criteria. The proportion of MCI subtypes also varied considerably according to the number and types of applied neuropsychological tests. Conclusions: Variable implementation of MCI diagnostic criteria may significantly complicate the homogeneity of this condition.
ISSN
1420-8008
Language
English
URI
http://hdl.handle.net/10371/78516
DOI
https://doi.org/10.1159/000228841
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College of Medicine/School of Medicine (의과대학/대학원)Psychiatry (정신과학전공)Journal Papers (저널논문_정신과학전공)
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