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Performance of a Chinese Cognitive Decline Risk Model in a Japanese Cohort: A Validation Study

2025-12-29 geriatric medicine Title + abstract only
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ObjectivesTo develop a simple risk prediction model for cognitive decline in a Chinese older adult cohort, and to evaluate its performance and transportability through temporal validation and external validation in a Japanese older adult cohort. MethodsThe prediction model was developed using a derivation cohort of 5,985 cognitively normal older adults from the China Health and Retirement Longitudinal Study (CHARLS, 2011-2015). A comparison of seven machine learning algorithms was conducted, an...

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