Medicaid expenditures for people who died of dementia were $35,346 in the 5 years before death, compared to $4,552 for those without dementia.
Kelley A, McGarry K, Gorges R, Skinner J. The Burden of Health Care Costs for Patients with Dementia in the Last 5 Years of Life. 2015; doi:10.7326/M15-0381. http://annals.org/article.aspx?articleid=2466364&resultClick=3