AUTHOR=Yuan Lixia , Yao Wensen TITLE=Nonlinear relationship between blood urea nitrogen to albumin ratio and in-hospital mortality in non-diabetic patients with non-ST-segment elevation myocardial infarction JOURNAL=Frontiers in Nutrition VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1499093 DOI=10.3389/fnut.2025.1499093 ISSN=2296-861X