Joint association of urinary albumin-to-creatinine ratio within normal range and triglyceride-glucose index with incident cardiovascular disease: a prospective cohort study

Cardiovasc DiabetolPublished Prospective cohort study

Main finding · Overall CVDResult — go to the resultHazard ratio 2.632 95% CI 1.695–4.085

Authors' conclusion

The study demonstrates that both elevated UACR (within normal range) and higher TyG index are jointly associated with increased CVD risk, with evidence suggesting potential bidirectional mediation. Their combined assessment provides significant incremental predictive value, supporting its integration into high-risk population screening for precise CVD prevention and management.

Study context

Population
Adults with normal urinary albumin-to-creatinine ratio (UACR) (<30 mg/g), 2016 Shandong-MOH Salt and Hypertension (SMASH) project; mean age 41.75 ± 13.06 years420 incident cardiovascular disease (CVD) cases
Participants
14,481 adults
Exposure
Joint triglyceride-glucose (TyG) index and UACR categories
Outcome
Overall CVD, CHD and stroke
Follow-up
Median 7.2 years

Main finding

Overall CVD

Hazard ratio

2.632

95% CI 1.695–4.085

P < 0.001

High TyG & High UACRvs Low TyG & Low UACR
HR 2.632 (95% CI 1.695–4.085); P < 0.001

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)P value
CHD2.680 (1.144–6.282)P = 0.023
Stroke2.628 (1.573–4.392)P < 0.001

Dose-response and prediction

TyG index nonlinear with overall CVD and stroke, linear with coronary heart disease (CHD); UACR linear positive with all outcomes
Combined TyG index and UACR model significantly enhanced CVD prediction

Mediation analysis

Elevated UACR mediated share of TyG–CVD association
4.9%
Elevated TyG index mediated share of UACR–CVD association
11.2%
  • Exploratory

Original publication

Joint association of urinary albumin-to-creatinine ratio within normal range and triglyceride-glucose index with incident cardiovascular disease: a prospective cohort study. Cardiovasc Diabetol. Published 28 November 2025. doi:10.1186/s12933-025-03009-8

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