AUTHOR=Guo Jingxun , Liu Zhen , Wang Pengjun , Wu Heming , Fan Kai , Jin Jianbo , Zheng Lan , Liu Zeyu , Xie Renyi , Li Cheng TITLE=Global, regional, and national burden inequality of chronic kidney disease, 1990–2021: a systematic analysis for the global burden of disease study 2021 JOURNAL=Frontiers in Medicine VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2024.1501175 DOI=10.3389/fmed.2024.1501175 ISSN=2296-858X