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Dementia studies in Chinese populations
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
2014 (English)In: Neuroscience Bulletin, ISSN 1673-7067, Vol. 30, no 2, 207-216 p.Article, review/survey (Refereed) Published
Abstract [en]

Variations in the prevalence of dementia in different ethnic groups have been reported worldwide, and a number of reviews have provided a picture of epidemiological studies in dementia research. However, little is known about epidemiological studies in Chinese populations. In this review, we searched PubMed and the Web of Science for original research articles published in English up to July 2013 on the prevalence, incidence, risk factors, and prognosis of dementia in Chinese populations worldwide. Except for the prevalence, we included only population-based follow-up studies. We identified 25 studies in elderly Chinese residents in Mainland China, Hong Kong, Taiwan, and Singapore, and found a higher prevalence of dementia in Mainland China than in the other locations, which may be due to that the studies from Mainland China are more recent than those from other locations. A notable increase in incidence was observed when dementia cases were diagnosed using 10/66 diagnostic criteria compared to other criteria. Studies on risk factors for dementia were limited and mostly from Mainland China. Age, gender, education, smoking, and alcohol consumption were related to the risk of dementia in Chinese populations. Only two prognostic studies were identified, and age, gender, and residential area were related to the prognosis of dementia. In conclusion, the prevalence, incidence, and risk factors for dementia found in Chinese populations were comparable to other ethnic groups, but no conclusive results on prognosis were found. The differences in prevalence and incidence were influenced by the diagnostic criteria and the time of study. Longitudinal population-based studies on the incidence, risk factors, and prognosis of dementia in Chinese populations are required.

Place, publisher, year, edition, pages
2014. Vol. 30, no 2, 207-216 p.
Keyword [en]
dementia, epidemiology, risk factors, prognosis, prevalence, incidence
National Category
URN: urn:nbn:se:su:diva-103980DOI: 10.1007/s12264-013-1420-1ISI: 000334513200006OAI: diva2:721402


Available from: 2014-06-04 Created: 2014-05-27 Last updated: 2014-06-04Bibliographically approved

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