AUTHOR=Meng Run-Tian , Chen Qiao-Wen , Ko Chih-Yuan TITLE=Evaluating cystatin-C and monocyte-to-high-density lipoprotein cholesterol ratio as indicators of obstructive sleep apnea severity in male patients JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1545100 DOI=10.3389/fcvm.2025.1545100 ISSN=2297-055X