AUTHOR=Wang Juan , Cao Xiongbin , Zeng Shan , Zhou Li , Huang Jianping , Han Yong , Deng Zhe TITLE=Nonlinear dose–response relationship between prognostic nutritional index and short-term outcome in acute ischemic stroke: a prospective cohort study JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1529146 DOI=10.3389/fnut.2025.1529146 ISSN=2296-861X