Multicentre population-based dementia prevalence survey in Japan: A preliminary report

Chiaki Ikejima, Akito Hisanaga, Kenichi Meguro, Tatsuo Yamada, Shinji Ouma, Yu Kawamuro, Kazushi Hyouki, Kenji Nakashima, Kenji Wada, Shigeto Yamada, Itaru Watanabe, Tatsuyuki Kakuma, Yoshiko Aoyama, Katsuyoshi Mizukami, Takashi Asada

研究成果: Review article査読

48 被引用数 (Scopus)

抄録

Community-based surveys were performed in seven rural areas in Japan to investigate the prevalence of dementia and illnesses causing dementia. A total of 5431 elderly subjects were selected based on census data from 1 October 2009. In total, 3394 participants were examined (participation rate: 62.5%), and 768 dementia cases and 529 mild cognitive impairment cases were identified. Of the illnesses causing dementia, Alzheimer's disease was the most frequent (67.4%), followed by vascular dementia (18.9%), dementia with Lewy body disease (4.6%), mixed dementia (4.2%) and other illnesses. The prevalence of dementia according to 5-year age strata between 65 and 99years was 5.8-77.7% among the participants. The prevalence of dementia in this study was higher than in previous reports in Japan and other countries. To verify the upward trend of dementia prevalence and its background factors, we have scheduled surveys for three other urban areas in 2011-2012.

本文言語English
ページ(範囲)120-123
ページ数4
ジャーナルPsychogeriatrics
12
2
DOI
出版ステータスPublished - 2012 6

ASJC Scopus subject areas

  • 老年学
  • 老年医学
  • 精神医学および精神衛生

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