Exploring Risk Factors Related to Low Calf Circumference in Older Adults With Multimorbidity: Cross-Sectional Latent Class Analysis

Xilin Peng   ^{1, 2 *} , MD ;   Xudong Chen   ^{1, 2 *} , MD ;   Ruihao Zhou   ^{1, 2} , MD ;   Fanfan Shi   ³ , MD ;   Tao Zhu   ^{1, 2} , MD ;   Guo Chen   ^{1, 2} , MD

¹ Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China

² The Research Units of West China (2018RU012)–Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China

³ Department of Clinical Research and Management, Center of Biostatistics, Design, Measurement and Evaluation (CBDME), West China Hospital, Sichuan University, Chengdu, Sichuan, China

*these authors contributed equally