Dementia in health claims data: The influence of different case definitions on incidence and prevalence estimates.
Oliver RiedelMalte BraitmaierIngo LangnerPublished in: International journal of methods in psychiatric research (2022)
Health claims data show lower estimates of AD than previously reported, due to markedly lower prevalent/incident proportions of patients with corresponding codes. Using medication in defining dementia potentially improves estimating the proportion of AD while supportive diagnostics were of limited use.