A Risk Prediction Model Based on Machine Learning for Cognitive Impairment Among Chinese Community-Dwelling Elderly People With Normal Cognition: Development and Validation Study

Mingyue Hu   ¹ , MSc ;   Xinhui Shu   ² , MSc ;   Gang Yu   ³ , PhD ;   Xinyin Wu   ⁴ , PhD ;   Maritta Välimäki   ^{1, 5 *} , PhD ;   Hui Feng   ^{1, 6, 7 *} , PhD

¹ Xiangya Nursing School, Central South University, Changsha, China

² Henan Cancer Hospital Province, Zhengzhou University, Zhengzhou, China

³ Department of Biomedical Engineering, School of Basic Medical Science, Central South University, Changsha, China

⁴ Xiangya School of Public Health, Central South University, Changsha, China

⁵ Department of Nursing Science, University of Turku, Helsinki, Finland

⁶ Oceanwide Health Management Institute, Central South University, Changsha, China

⁷ National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China

*these authors contributed equally