Costs of dementia in England and Wales in the 21st century

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Abstract
Background: An important factor determining future health care expenditure is the relationship between ageing, health status and development of age-related disorders such as dementia.Aims: To estimate the formal care costs associated with dementia in England and Wales between 1994 and 2031.Method: Epidemiological cost model, applied to individuals aged 65 years or over with dementia, using estimates of life expectancy with dementia and dementia-free life expectancy.Results: Total costs per year were £0.95 billion (men) and £5.35 billion (women) using 1994 population estimates. For 2031, costs were £2.34 billion and £11.20 billion, respectively. Reduced dementia prevalence rates and improvements in mental and physical functioning resulted in lower estimates: £1.01 billon (men) and £5.77 billion (women), and £1.65 billion (men) and £7.87 billion (women), respectively.Conclusions: Future increases in the population aged 65 years or over lead to rising formal care costs. However, the magnitude of cost changes depends on assumptions over dementia prevalence and levels of mental and physical functioning.