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Table 3 Association of TyG index with arterial stiffness in Cox proportional hazard models

From: Association between triglyceride-glucose index and risk of arterial stiffness: a cohort study

TyG index Arterial stiffness(n) Incident rate (per 1000 person-years) Model 1 Model 2
HR (95%CI) P value HR (95%CI) P value
Overall 883 32.90 1.46 (1.34–1.58)  < 0.001 1.22 (1.10–1.35)  < 0.001
Q1 (6.81–8.06) 106 14.46 Reference   Reference  
Q2 (8.06–8.48) 181 26.21 1.39 (1.09–1.77) 0.008 1.27 (1.00–1.62) 0.052
Q3 (8.48–8.98) 285 44.78 2.05 (1.64–2.57)  < 0.001 1.69 (1.35–2.12)  < 0.001
Q4 (8.98–13.17) 311 49.87 2.30 (1.84–2.87)  < 0.001 1.58 (1.25–2.01)  < 0.001
  1. N = 5348; TyG index, triglyceride–glucose index; HR, hazard ratio; CI, confidence interval; Q, quartiles
  2. Model 1, adjusted for age and sex at baseline
  3. Model 2, adjusted for variables in model 1 plus smoking, alcohol drinking, physical activity, MAP, diabetes, hs-CRP, and BMI at baseline