The association between helicobacter pylori infection and Triglyceride-Glucose (TyG) index in US adults: A retrospective cross-sectional study
2025

The link between Helicobacter pylori infection and the TyG index in US adults

Sample size: 3797 publication 10 minutes Evidence: moderate

Author Information

Author(s): Fu Wei, Zhao Junlong, Chen GuoBin, Lyu Linya, Ding Yao, Xu Liang-Bi

Primary Institution: 925th Hospital of PLA Joint Logistics Support Force, Guiyang, China

Hypothesis

This study examines the association between the TyG index and H. pylori infection in adults.

Conclusion

There is a linear relationship between the TyG index and H. pylori infection, indicating metabolic influences on the infection.

Supporting Evidence

  • A linear association between the TyG index and H. pylori infection was found.
  • Subgroup analyses revealed significant interactions with age, sex, glucose levels, BMI, and CKD.
  • Participants without H. pylori infection had a significantly lower average TyG index.

Takeaway

This study found that higher levels of a specific blood marker (TyG index) are linked to a greater chance of having a stomach infection called H. pylori.

Methodology

Data from 3797 participants in the NHANES 1999–2000 cycle were analyzed using multivariate logistic regression and subgroup analyses.

Potential Biases

Potential biases may arise from the exclusion of participants with missing data.

Limitations

The study's findings may not be generalizable beyond the NHANES 1999–2000 cycle, and the cross-sectional design limits causal inference.

Participant Demographics

The cohort had an average age of 41.8 years, predominantly of Mexican descent (47%), and 82.6% had education above high school.

Statistical Information

P-Value

p<0.001

Confidence Interval

[1.04, 1.34]

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0295888

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