Incremental dementia-related expenditures in a medicaid population.

Objectives: With the growing number of older adults, understanding expenditures associated with treating medical conditions that are more prevalent among older adults is increasingly important. The objectives of this research were to estimate incremental medical encounters and incremental Medicaid expenditures associated with dementia among Indiana Medicaid recipients 40 years or older in 2004.

Methods: A retrospective cohort design analyzing Indiana Medicaid administrative claims files was used.

Impact of patient selection criteria on prevalence estimates and prevalence of diagnosed dementia in a Medicaid population.

Objectives: This study estimated the prevalence of diagnosed dementia among Indiana Medicaid beneficiaries in 2004. The dependence of prevalence estimates upon use of several patient selection criteria to identify patients with dementia also was evaluated.

Methods: Indiana Medicaid claims data were analyzed for the period July 1, 2002 to December 31, 2004.