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. 2019 May 22;86(1):68–78. doi: 10.1002/ana.25501

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© 2019 The Authors. Annals of Neurology published by Wiley Periodicals, Inc. on behalf of American Neurological Association.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Flowchart of study population in SNAC‐K (Swedish National Study on Aging and Care in Kungsholmen). Baseline dementia cases (n = 322) include both definite (n = 252) and questionable cases (n = 70). Dementia status was available for deceased study participants as a result of comprehensive assessment of inpatient and cause of death records. Age‐cohort 60/66 is composed of individuals aged 60 and 66 years at baseline who were followed up after six years. Age‐cohort 72 is made up of individuals aged 72 years at baseline who were followed up for the first time after six years and then three years after that. Age‐cohort 78‐87 includes individuals aged 78, 81, 84, 87 years who were followed‐up every three years since baseline. Age cohort 90+ is made up of individuals aged 90 years or older at baseline who were followed up every three years.