Predictive model for sarcopenia in chronic kidney disease: a nomogram and machine learning approach using CHARLS data - Lu, Renjie; Wang, Shiyun; Chen, Pinghua; Li, Fangfang; Li, Pan; Chen, Qian; Li, Xuefei; Li, Fangyu; Guo, Suxia; Zhang, Jinlin; Liu, Dan; Hu, Zhijun (Frontiers in Medicine, 2025)