Authors
Yi Ding, Qiuyu Cao, Xianglin Wu, Youjin Jiang, Xiaoran Li, Yu Xu, Min Xu, Tiange Wang, Yuhong Chen, Zhiyun Zhao, Jie Zheng, Shuangyuan Wang, Hong Lin, Xuejiang Gu, Li Yan, Miao Zhang, Zhengnan Gao, Lulu Chen, Tianshu Zeng, Ruying Hu, Zhen Ye, Xuefeng Yu, Gang Chen, Qing Su, Yiming Mu, Xulei Tang, Qin Wan, Guixia Wang, Guijun Qin, Zuojie Luo, Yingfen Qin, Li Chen, Xinguo Hou, Yanan Huo, Qiang Li, Hong Qiao, Yinfei Zhang, Chao Liu, Youmin Wang, Shengli Wu, Tao Yang, Huacong Deng, Jiajun Zhao, Weiqing Wang, Guang Ning, Jieli Lu, Mian Li, Yufang Bi
Published in
JACC. Asia. Aug 06, 2026. Epub Aug 06, 2026.
Abstract
Albuminuria from low-grade to clinically elevated range confers cardiorenal risks.
The authors aimed to investigate the differential roles of lifestyle/metabolic factors in the association of fine-categorized and continuously measured urinary albumin-to-creatinine ratio (UACR) levels with cardiorenal outcomes.
A total of 82,509 participants from the China Cardiometabolic Disease and Cancer Cohort (4C) Study were included, with a median follow-up of 3.0 years. Outcomes included incident cardiovascular disease (CVD), incident CKD, their composite, along with surrogate markers. Lifestyle factors included tobacco use, alcohol use, diet, physical activity and sleep. Metabolic factors included diabetes, hypertension, abdominal obesity, and elevated low-density lipoprotein cholesterol. Cox proportional hazard models were used to calculate hazard ratios.
Compared to the lowest UACR, participants with mildly elevated UACR (≥10 to <30 mg/g) had a 39% higher risk of composite cardiorenal outcomes (multivariable-adjusted HR: 1.39, 95% CI: 1.29-1.50), whereas those with clinically elevated UACR (≥30 mg/g) had over double the risk (HR: 2.29, 95% CI: 2.12-2.47). A nonlinear J-shaped association was observed between continuous UACR and cardiorenal outcomes (Pnonlinearity = 0.0009), with UACR ≥10 mg/g already conferring risks, a pattern also reflected by the deterioration of PREVENT score and estimated glomerular filtration rate. Optimal lifestyle and metabolic status generally attenuated CVD risk related to low-grade albuminuria, while improvement of the latter additionally decreased CVD and cardiorenal risk, even in clinically elevated albuminuria (additive Pinteraction <0.0001). Hypertension showed the largest relative contribution to cardiorenal risk, particularly in UACR <30 mg/g.
Our findings highlighted low-grade albuminuria as a key preventive window for cardiorenal outcomes requiring both aspects of modifiable risk factors, and the cardiovascular benefits of metabolic improvement in established albuminuria.
PMID:
42584389
Bibliographic data and abstract were imported from PubMed on 12 Aug 2026.
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