The estimated cost of dementia in Japan, the most aged society in the world

Mitsuhiro Sado, Akira Ninomiya, Ryo Shikimoto, Baku Ikeda, Toshiaki Baba, Kimio Yoshimura, Masaru Mimura

研究成果: Article査読

25 被引用数 (Scopus)

抄録

Objective Dementia has become a global critical issue. It is estimated that the global cost of dementia was 818 billion USD in 2015. The situation in Japan, which is the most aged country in the world, should be critical. However, the societal cost of dementia in Japan has not yet been estimated. This study was designed to estimate cost of dementia from societal perspective. Design We estimated the cost from societal perspective with prevalence based approach. Setting, participants and measures Main data sources for the parameters to estimate the costs are the National Data Base, a nationwide representative individual-level database for healthcare utilization, the Survey of Long-Term Care Benefit Expenditures, a nationwide survey based on individual-level secondary data for formal long-term care utilization, and the results of an informal care time survey for informal care cost. We conducted the analyses with ‘probabilistic modeling’ using the parameters obtained to estimate the costs of dementia. We also projected future costs. Results The societal costs of dementia in Japan in 2014 were estimated at JPY 14.5 trillion (se 66.0 billion). Of these, the costs for healthcare, long-term care, and informal care are JPY 1.91 trillion (se 4.91 billion), JPY 6.44 trillion (se 63.2 billion), and JPY 6.16 trillion (se 12.5 billion) respectively. The cost per person with dementia appeared to be JPY5.95 million (se 27 thousand). The total costs would reach JPY 24.3 trillion by 2060, which is 1.6 times higher than that in 2014. Conclusions The societal cost of dementia in Japan appeared to be considerable. Interventions to mitigate this impact should be considered.

本文言語English
論文番号e0206508
ジャーナルPloS one
13
11
DOI
出版ステータスPublished - 2018 11

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学(全般)
  • 農業および生物科学(全般)
  • 一般

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