AUTHOR=Zhang Qian , Kong Bingxuan , Zhou Zhiyu , Liu Fangqu , Wen Erya , Lin Bingliang , Xuan Peng , Lu Wenlong , Su Zhe , Li Yanyan , Tang Yuhan , Xiong Jingfan , Yao Ping , Li Yan TITLE=Association between systemic immune-inflammation index and central obesity in pediatric populations: a cross-sectional and cohort study JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1546612 DOI=10.3389/fimmu.2025.1546612 ISSN=1664-3224