AUTHOR=Bai Jiang , Zhang Lijuan , Di Jingkai , Wang Wenyu , Wu Yawen , Zhou Yun TITLE=Absence of progression risk of chronic kidney disease in patients with urine protein-creatinine ratio below 500 mg/g: a cohort study with competing risk analysis JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1502597 DOI=10.3389/fmed.2025.1502597 ISSN=2296-858X