Background Medicare fee-for-service (FFS) claims data are increasingly leveraged for
dementia research. Few studies address the validity of recent claim data to identify …

Background: Medicare claims record linkage has been used to identify diagnosed dementia
cases in order to estimate dementia prevalence and cost of care. Claims records in the 1990 …

Abstract Background/Objectives No data exist regarding the validity of International
Classification of Disease (ICD)‐10 dementia diagnoses against a clinician‐adjudicated …

Background Using billing data generated through health care delivery to identify individuals
with dementia has become important in research. To inform tradeoffs between approaches …

Introduction Medicare claims data may be a rich data source for tracking population
dementia rates. Insufficient understanding of completeness of diagnosis, and for whom …

Objectives To examine how misidentification of dementia affects estimation of Medicare
costs in a largely minority cohort of participants for whom accurate in‐person diagnoses are …

Objectives This study provides the first comparison of trends in dementia prevalence in the
US population using 3 different dementia ascertainments/data sources: neuropsychological …

Background Many older adults living with dementia have not been formally diagnosed. Even
when clinicians document the diagnosis, patients and families may be unaware of the …

Importance Alzheimer disease and related dementias (ADRD) have received considerable
attention among clinicians, researchers, and policy makers in recent years. Despite …

Our study estimates the sensitivity and specificity of Medicare claims to identify clinically-
diagnosed dementia, and documents how errors in dementia assessment affect dementia …