Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018

Abstract Background The dietary index of gut microbiota (DI-GM) is a newly proposed index for assessing dietary quality, and studies on its association with cardiovascular disease (CVD) are limited. This study aimed to investigate the association between DI-GM and the prevalence of CVD. Methods We u...

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Main Authors: Jiameng Jin, Xingang Sun, Lihong Wang
Format: Article
Language:English
Published: BMC 2025-04-01
Series:BMC Cardiovascular Disorders
Subjects:
Online Access:https://doi.org/10.1186/s12872-025-04776-8
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author Jiameng Jin
Xingang Sun
Lihong Wang
author_facet Jiameng Jin
Xingang Sun
Lihong Wang
author_sort Jiameng Jin
collection DOAJ
description Abstract Background The dietary index of gut microbiota (DI-GM) is a newly proposed index for assessing dietary quality, and studies on its association with cardiovascular disease (CVD) are limited. This study aimed to investigate the association between DI-GM and the prevalence of CVD. Methods We utilized data from the National Health and Nutrition Examination Survey (NHANES). Logistic regression analyses were performed to examine the association between DI-GM and CVD. Smoothed curve fitting was employed to explore potential nonlinear relationships. Additionally, subgroup analyses were conducted to assess the stability of the results. Results The study included 22,590 participants, of whom 20,216 had no CVD and 2,374 had CVD. After adjusting for all covariates, the DI-GM score was significantly negatively associated with CVD risk, with a 4% reduction in CVD risk for each unit increase in DI-GM score (OR = 0.96, 95% CI: 0.94–0.99, P = 0.015). Notably, the highest DI-GM score group (6–12) had a 13% lower risk of CVD compared to the lowest DI-GM score group (0–3) (OR = 0.87, 95% CI: 0.76-1.00, P = 0.048). Conclusion The research results indicate that a higher DI-GM score protects against CVD, providing crucial empirical support for dietary intervention strategies based on gut microbiota modulation. Clinical trial number Not applicable.
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series BMC Cardiovascular Disorders
spelling doaj-art-bbaf94b7974f4fe686742ad67bc5fc162025-08-20T01:48:50ZengBMCBMC Cardiovascular Disorders1471-22612025-04-012511810.1186/s12872-025-04776-8Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018Jiameng Jin0Xingang Sun1Lihong Wang2Second Clinical Medical College, Zhejiang Chinese Medical UniversityDepartment of Cardiology Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical CollegeDepartment of Cardiology Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical CollegeAbstract Background The dietary index of gut microbiota (DI-GM) is a newly proposed index for assessing dietary quality, and studies on its association with cardiovascular disease (CVD) are limited. This study aimed to investigate the association between DI-GM and the prevalence of CVD. Methods We utilized data from the National Health and Nutrition Examination Survey (NHANES). Logistic regression analyses were performed to examine the association between DI-GM and CVD. Smoothed curve fitting was employed to explore potential nonlinear relationships. Additionally, subgroup analyses were conducted to assess the stability of the results. Results The study included 22,590 participants, of whom 20,216 had no CVD and 2,374 had CVD. After adjusting for all covariates, the DI-GM score was significantly negatively associated with CVD risk, with a 4% reduction in CVD risk for each unit increase in DI-GM score (OR = 0.96, 95% CI: 0.94–0.99, P = 0.015). Notably, the highest DI-GM score group (6–12) had a 13% lower risk of CVD compared to the lowest DI-GM score group (0–3) (OR = 0.87, 95% CI: 0.76-1.00, P = 0.048). Conclusion The research results indicate that a higher DI-GM score protects against CVD, providing crucial empirical support for dietary intervention strategies based on gut microbiota modulation. Clinical trial number Not applicable.https://doi.org/10.1186/s12872-025-04776-8Dietary Index of Gut Microbiota (DI-GM)Cardiovascular disease (CVD)Lipopolysaccharide (LPS)National health and nutrition examination survey (NHANES)
spellingShingle Jiameng Jin
Xingang Sun
Lihong Wang
Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018
BMC Cardiovascular Disorders
Dietary Index of Gut Microbiota (DI-GM)
Cardiovascular disease (CVD)
Lipopolysaccharide (LPS)
National health and nutrition examination survey (NHANES)
title Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018
title_full Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018
title_fullStr Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018
title_full_unstemmed Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018
title_short Association of dietary index of gut microbiota with cardiovascular disease risk: new evidence from NHANES 2007–2018
title_sort association of dietary index of gut microbiota with cardiovascular disease risk new evidence from nhanes 2007 2018
topic Dietary Index of Gut Microbiota (DI-GM)
Cardiovascular disease (CVD)
Lipopolysaccharide (LPS)
National health and nutrition examination survey (NHANES)
url https://doi.org/10.1186/s12872-025-04776-8
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AT xingangsun associationofdietaryindexofgutmicrobiotawithcardiovasculardiseaserisknewevidencefromnhanes20072018
AT lihongwang associationofdietaryindexofgutmicrobiotawithcardiovasculardiseaserisknewevidencefromnhanes20072018