Triglyceride to High-Density Lipoprotein Cholesterol Ratio and Cardiovascular Events in Diabetics With Coronary Artery Disease☆,☆☆,☆☆☆

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Abstract

Background

It has been demonstrated that an elevated ratio of triglycerides (TG) to high-density lipoprotein cholesterol (HDL-C) is a risk factor of coronary artery disease (CAD) in patients with type 2 diabetes mellitus (T2DM) and is also found to be associated with cardiovascular events (CVEs) in the general population. However, its prognostic value in patients with T2DM along with CAD remains to be determined.

Materials and Methods

A total of 1,447 consecutive patients with T2DM with angiographic-proven stable CAD were enrolled in the present study and followed-up for an average of 20.3 months. The characteristics of all patients including fasting lipid profile were obtained at baseline and multivariate Cox proportional hazards models were constructed using log TG/HDL-C as a predictor variable. The relationships between CVEs and total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), non–HDL-C, TC/HDL-C, LDL-C/HDL-C and apolipoprotein B/ apolipoprotein AI (apoB/apoAI) were also explored.

Results

Compared with patients without CVEs, the ones who experienced CVEs had a higher TG/HDL-C ratio. Univariable regression revealed a significant association of log TG/HDL-C with CVEs (hazard ratio = 2.5, P = 0.015). After adjusting for multiple traditional risk factors of cardiovascular disease, the association was still found (hazard ratio = 2.47, P = 0.047). Moreover, results suggested that the ratios of non–HDL-C, TC/HDL-C, LDL-C/HDL-C and apoB/apoAI were not predictors for CVEs in T2DM.

Conclusions

In our primary study, data suggested that elevated TG/HDL-C value might be a useful predictor for future CVEs in Chinese patients with T2DM with stable CAD. Further study is needed to confirm our findings.

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