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Prevalence of Dementia in Korea Based on Hospital Utilization Data from 2008 to 2016
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논문 기본 정보

Type
Academic journal
Author
Yoon Jung Choi (건강보험심사평가원) Sanghyun Kim (건강보험심사평가원) Young Jae Hwang (강원대학교) Changsoo Kim (연세대학교)
Journal
Yonsei University College of Medicine Yonsei Medical Journal Yonsei Medical Journal 제62권 제10호 KCI Accredited Journals
Published
2021.10
Pages
948 - 953 (6page)
DOI
10.3349/ymj.2021.62.10.948

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Prevalence of Dementia in Korea Based on Hospital Utilization Data from 2008 to 2016
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Purpose: Dementia is an important health issue in Korea due to its associated medical costs. Our study aimed to estimate the prevalence of dementia in Korea by analyzing hospital utilization rates. Materials and Methods: We examined National Health Insurance data from 2008 to 2016 and identified all dementia cases. Crude and age- and sex-standardized prevalence were calculated. A generalized linear mixed model was used to estimate prevalence ratios. Results: We identified 176746 and 530269 dementia cases in 2008 and 2016, respectively. Alzheimer’s disease was the most common dementia subtype (65.4% and 86.1% in 2008 and 2016, respectively). Across all age groups, the prevalence of dementia increased consistently: the increase was prominent among patients ≥85 years of age. Among patients ≥65 years of age, crude prevalence was estimated at 31.3 and 72.2 per 1000 population in 2008 and 2016, respectively. Age- and sex-standardized prevalence increased from 31.3 to 62.0 per 1000 population between 2008 and 2016, respectively. The prevalence ratio for dementia in 2016 was 2.02 times (95% confidence interval, 2.01?2.03) higher than that in 2008. When adjusted for age, dementia was more prevalent among females. The most common comorbidity was hypertension, followed by diabetes and stroke. Conclusion: Our results demonstrated that hospital utilization for dementia increased significantly from 2008 to 2016, reflecting a proportional increase in the prevalence of dementia. Korean healthcare policy must prioritize dementia treatment.
#Dementia prevalence #National Health Insurance #claims data #standardized prevalence

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Alzheimer’s Disease International / World Alzheimer report 2018. The state of the art of dementia research: new frontiers google schola Stuck AE / 1999 / Risk factors for functional status decline in community-living elderly people : a systematic literature review / Soc Sci Med 48:445~469 google schola Sousa RM / 2009 / Contribution of chronic diseases to disability in elderly people in countries with low and middle incomes : a 10/66 Dementia Research Group population-based survey / Lancet 374:1821~1830 google schola Norton S / 2014 / Potential for primary prevention of Alzheimer’s disease : an analysis of population-based data / Lancet Neurol 13:788~794 google schola Savva GM / 2010 / Epidemiological studies of the effect of stroke on incident dementia : a systematic review / Stroke 41:e41~e46 google schola

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