Association between serum uric acid to high-density lipoprotein ratio and all-cause in hypertensive patients: Mediating role of neutrophils

Chunyu Yan, Yabin Zhou, He Wang, Jiamei Fu and Qian Xu

PLOS ONE, 2025, vol. 20, issue 6, 1-16

Abstract: Background: The aim of this study was mainly to investigate the association between Serum uric acid (SUA) to high-density lipoprotein cholesterol (HDL-C) ratio (UHR) and all-cause mortality in hypertensive patients,and to further investigate the mediating role of neutrophils. Methods: Our cohort study included 4533 hypertensive patients drawn from the 2005–2018 National Health and Nutrition Examination Survey (NHANES) database and combined with the National Death Index (NDI) database to obtain mortality data for subjects. Kaplan-Meier survival curves, multifactorial Cox risk-proportional modeling, restricted cubic spline (RCS)-based smoothed curve fitting, threshold effects analysis, and subgroup analyses were performed to evaluate the associations between UHR and all-cause mortality, and, finally,causal mediating effects were performed to analyze the mediating role of neutrophils. Results: Over a mean duration of 90.32 months, the follow-up all-cause mortality occurred in 1003 individuals, and the mean age of all subjects included was (61.69 ± 14.28) years, and the Kaplan-Meier survival curves demonstrated that high levels of UHR were notably connected to lower survival. In multivariate Cox regression analysis, high quartile UHR was positively connected to all-cause mortality (HR: 1.36, 95% CI: 1.03,1.80, P = 0.031), and smoothed curve fitting combined with threshold effect analysis showed a nonlinear relationship between UHR and all-cause mortality, with a curve inflection point of 0.14, i.e., when UHR 0.14, the all-cause mortality increased with the increase in UHR. We further stratify by gender and find that the inflection point for male UHR is 0.13, the suggesting that the association between UHR and all-cause mortality increased with increasing UHR when UHR was 0.13, HR (95% CI): 0.41 (0.04, 1.36), P

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0325620

DOI: 10.1371/journal.pone.0325620

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