±èÀ¯Á¤(Kim You-Joung) - National Institute of Dementia
ÇÑÁö¿ø(Han Ji-Won) - Seoul National University Bundang Hospital Department of Neuropsychiatry
¼ÒÀ±¼·(So Yoon-Seop) - Seoul National University Bundang Hospital Department of Neuropsychiatry
¼Áö¿µ(Seo Ji-Young) - Seoul National University Bundang Hospital Department of Neuropsychiatry
±è°¡¿µ(Kim Ka-Young) - Seoul National University Bundang Hospital Department of Neuropsychiatry
±è±â¿õ(Kim Ki-Woong) - National Institute of Dementia
Abstract
Through a systematic review and meta-analysis of epidemiological studies on dementia, we assessed the prevalence of dementia and its subtypes-Alzheimer' disease (AD) and vascular dementia (VaD)-in Korea. We searched for epidemiological studies on dementia published in 1990-2013 using PubMed, Scopus, EMBASE, KoreaMed, KISS, and RiCH. Dementia prevalence in elderly patients (aged¡Ã65 yr) was 9.2% (95% confidence interval [CI], 8.2%-10.4%) from 11 studies, which was higher than those from Western and other Asian countries. AD was the most prevalent dementia type, with a prevalence of 5.7% (95% CI, 5.0%-6.4%) from 10 studies compared with 2.1% (95% CI, 1.6%-2.7%) for VaD from 9 studies. The age-specific prevalence of dementia approximately doubled with each 5.8-yr increase of age. Although a significant increasing trend of dementia prevalence was not observed, it increased slightly from 7.3% to 8.7% after 2005; AD prevalence increased after 1995 and VaD prevalence decreased after the early 2000s. The AD/VaD ratio increased from 1.96 in the early 1990s to 4.13 in the 2010s, similar to the worldwide ratio. Owing to this high prevalence in the aging population, dementia will impose significant economic burdens to Korean society.
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Dementia, Prevalence, Trends, Meta-Analysis, Korea
KMID :
0191120140290070903
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The prevalence of AD (5.7%; 95% CI, 5.0%-6.4%) was much higher than that of VaD (2.1%; 95% CI, 1.6%-2.7%). The ratio of AD/VaD doubled in the past two decades from 1.96 to 4.13 (P= 0.021).