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. 2024 Apr 2;16(2):e12560. doi: 10.1002/dad2.12560

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© 2024 The Authors. Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring published by Wiley Periodicals LLC on behalf of Alzheimer's Association. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.

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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Kaplan‐Meier curves for dementia‐free survival by social relationships and elevated florbetapir global SUVR status. Follow‐up time begins at ARIC‐PET visit 5 (mean (SD) age 77.8 (5.3) years), whereas social relationships were measured in mid‐life at ARIC visit 2 (mean (SD) age 55.1 (5.1) years). Rates of dementia incidence differed significantly (log‐rank p < 0.001) in participants with varying levels of social relationships and elevated global SUVR. SUVR, standardized uptake value ratio.