AUTHOR=Lu Renjie , Wang Shiyun , Chen Pinghua , Li Fangfang , Li Pan , Chen Qian , Li Xuefei , Li Fangyu , Guo Suxia , Zhang Jinlin , Liu Dan , Hu Zhijun TITLE=Predictive model for sarcopenia in chronic kidney disease: a nomogram and machine learning approach using CHARLS data JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1546988 DOI=10.3389/fmed.2025.1546988 ISSN=2296-858X