Trends in dementia prevalence, incidence, and survival rate in a Japanese community

Trends in dementia prevalence, incidence, and survival rate in a Japanese community

OBJECTIVE:To investigate secular trends in the prevalence, incidence, and survival rate of dementia in a Japanese elderly population in a comprehensive manner. METHODS:Five cross-sectional surveys of dementia were conducted among residents of a Japanese community, aged ≥65 years, in 1985, 1992, 1998...

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Veröffentlicht in:Neurology 2017-05, Vol.88 (20), p.1925-1932
Hauptverfasser: Ohara, Tomoyuki, Hata, Jun, Yoshida, Daigo, Mukai, Naoko, Nagata, Masaharu, Iwaki, Toru, Kitazono, Takanari, Kanba, Shigenobu, Kiyohara, Yutaka, Ninomiya, Toshiharu
Format: Artikel
Sprache:eng
Schlagworte:
Age Factors
Aged
Cross-Sectional Studies
Dementia - epidemiology
Female
Follow-Up Studies
Humans
Incidence
Japan - epidemiology
Male
Prevalence
Prospective Studies
Sex Factors
Surveys and Questionnaires
Survival Rate - trends
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Beschreibung
Zusammenfassung:OBJECTIVE:To investigate secular trends in the prevalence, incidence, and survival rate of dementia in a Japanese elderly population in a comprehensive manner. METHODS:Five cross-sectional surveys of dementia were conducted among residents of a Japanese community, aged ≥65 years, in 1985, 1992, 1998, 2005, and 2012. We also established 2 cohorts consisting of the residents of this age group without dementia in 1988 (n = 803) and 2002 (n = 1,231), and each was followed for 10 years. RESULTS:The age-standardized prevalence of all-cause dementia and Alzheimer disease (AD) increased with time (for all-cause dementia6.8% in 1985, 4.6% in 1992, 5.3% in 1998, 8.4% in 2005, and 11.3% in 2012, p for trend
ISSN:0028-3878
1526-632X
DOI:10.1212/WNL.0000000000003932