Lipids & metabolic liver disease

Triglyceride-glucose index, renal function and cardiovascular disease: a national cohort study

Cardiovasc DiabetolPublished Prospective cohort study

Main finding · Cardiovascular diseasesResult — go to the resultHazard ratio 1.870 95% CI 1.131–3.069

Authors' conclusion

The combination of a higher TyG index and lower eGFR level was associated with the highest risk of cardiovascular diseases. Renal function could mediate the association between the TyG index and cardiovascular risk.

Study context

Population
Participants of the China Health and Retirement Longitudinal Study (CHARLS) free of CVD at baseline; mean age 59.6 ± 9.5 years, 46.1% females
Participants
6,496 participants
Exposure
Higher triglyceride-glucose (TyG) index and decreased estimated glomerular filtration rate (eGFR) vs lower TyG index and eGFR ≥ 60 ml/minute/1.73 m²
Outcome
Cardiovascular diseases
Follow-up
Maximum 7.0 years
Methodological detailsnational cohort, mediation analysis, Cox models
  • National cohort
  • Mediation analysis
  • Cox models

Main finding

As reported in the abstract

Hazard ratio

1.870

95% CI 1.131–3.069

Higher TyG index and decreased eGFRvs Lower TyG index and eGFR ≥ 60
HR 1.870 (95% CI 1.131–3.069)
Decreased eGFR mediated proportion of the TyG index–CVD association
29.6%

Observational data: associations, not effects.

Further findings

Incident CVD, heart diseases and stroke (whole cohort) · maximum follow-up 7.0 years

Developed CVD
1 996 (30.7%)
Heart diseases
1 541 (23.7%)
Stroke
651 (10.0%)

Original publication

Triglyceride-glucose index, renal function and cardiovascular disease: a national cohort study. Cardiovasc Diabetol. Published 28 November 2023. doi:10.1186/s12933-023-02055-4

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