AUTHOR=Huang Dongli , Wu Hang TITLE=Association between the aggregate index of systemic inflammation and CKD: evidence from NHANES 1999–2018 JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1506575 DOI=10.3389/fmed.2025.1506575 ISSN=2296-858X