Abstract
Abstract Objectives To analyze the cost-effectiveness of prevention services (Named “Support” in Japanese official documents) in Japanese Long-Term Care Insurance system, which draws data from a large volume of 10-year database in Osaka Prefecture. Design: We design an approach to estimate cost-effective prices using aggregate data including costs of dementia in 10 years, time of dementia first diagnosed, changes of care levels, and quality of life. Measurements: The outcomes were average annual expenditure per unit of services. Results In higher risk groups of dementia, prevention services delaying cognitive decline and enhancing quality of life were cost effective at $206 per individual. However, this cost-effectiveness will wear off as symptoms worsen and the care levels increase. Conclusion Prevention services from Long-Term Care Insurance system are possibly to be cost-effective, but this cost benefit is not long-term .
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