Association between LDL/HDL ratio and hypertension in Chinese middle-aged and older adults: a cross-sectional and longitudinal analysis based on CHARLS LDL/HDL ration and hypertension - Lai, Weicheng; Chen, Xiao; Wang, Lerui; Wu, Liangxiu; Li, Xin; Zhou, Boda (Frontiers in Endocrinology, 2025)