TG/HDL-C Ratio Calculator
- TG/HDL-C Ratio: Explanation and Clinical Context
The triglyceride to HDL-cholesterol (TG/HDL-C) ratio is a simple, reliable marker used to estimate insulin resistance and cardiometabolic risk.
It is calculated by dividing fasting triglycerides (mg/dL) by HDL-C (mg/dL).
A low ratio (<2) generally indicates low risk for insulin resistance and cardiovascular events, while a high ratio (>4) suggests significant insulin resistance and elevated cardiovascular risk.
Intermediate values (2–4) require clinical monitoring and lifestyle interventions.
The TG/HDL-C ratio is valuable in both primary and secondary prevention settings, helping clinicians identify patients at risk for metabolic syndrome, type 2 diabetes, and atherosclerotic cardiovascular disease.
Reference:
McLaughlin T, et al. "Use of the triglyceride to HDL cholesterol ratio to identify insulin resistance in whites and African Americans." Circulation. 2003;107: 1210-1213. doi:10.1161/01.CIR.0000057702.95992.C6
Gaziano JM, et al. "Triglyceride-to-HDL cholesterol ratio: a simple method for identifying cardiometabolic risk." Am J Cardiol. 2009;103:1195-1200. doi:10.1016/j.amjcard.2008.12.044
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