Background: Few data specifically investigate associations between fasting/non-fasting triglycerides (TG) and cardiovascular (CV) events under statin therapy among Japanese diabetic patients. Methods and Results: We recruited 4,988 participants with diabetes from the EMPATHY study. Median follow-up was 3 years. We evaluated associations between serum fasting/non-fasting TG and first CV events in Cox-regression hazard models adjusted by classical risk factors. CV events were defined as (1) major adverse cardiac events (MACE) including myocardial infarction, stroke, or cardiac death; and (2) CV diseases (CVD) including myocardial infarction, unstable angina, ischemic stroke, or large artery disease or peripheral arterial disease. Fasting as well as non-fasting TG were associated with MACE (adjusted hazard ratio [HR]: 1.017 per 10 mg/dL; 95% confidence interval [CI]: 1.000–1.037; P=0.046, adjusted HR: 1.028 per 10 mg/dL; 95% CI: 1.006–1.050; P=0.0091) and CVD (adjusted HR: 1.024 per 10 mg/dL; 95% CI: 1.011–1.038; P=4.4×10−3, adjusted HR: 1.028 per 10 mg/dL; 95% CI: 1.010–1.046; P=4.9×10−3). Comparing the top quartile with the bottom quartile of non-fasting TG, adjusted HR significantly increased 5.18 (95% CI: 1.38–18.3, P=0.014) for MACE, and 2.40 (95% CI: 1.11–4.75, P=0.021) for CVD, while adjusted HR did not change when divided into quartile of fasting TG. Conclusions: Non-fasting TG could be considered as a substitute for fasting TG as a risk stratification for future CV events among Japanese diabetic patients.
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