🩸 Triglyceride/HDL Ratio
Calculate the triglyceride/HDL ratio as a surrogate for insulin resistance.
Clinical takeaway
Thresholds depend on units and ethnicity.
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When to use
Flag atherogenic dyslipidaemia and insulin resistance.
How it works
TG/HDL ratio (mg/dL). ≥ 3.5 suggests insulin resistance and small dense LDL.
Key points
- Thresholds depend on units and ethnicity.
- Associated with small dense LDL particles.
- Use alongside the full lipid profile.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Triglycerides | 150 mg/dL |
|---|---|
| HDL cholesterol | 50 mg/dL |
→TG/HDL ratio3.0
- Interpretation：Lower ratio — more favourable.
- Note：Thresholds vary by units and ethnicity (mg/dL here).
Frequently asked questions
- What is Triglyceride/HDL Ratio?
- Calculate the triglyceride/HDL ratio as a surrogate for insulin resistance.
- How is Triglyceride/HDL Ratio calculated? What is the core formula?
- TG/HDL ratio (mg/dL). ≥ 3.5 suggests insulin resistance and small dense LDL.
- When is Triglyceride/HDL Ratio used?
- Flag atherogenic dyslipidaemia and insulin resistance.
- What are the key clinical points for Triglyceride/HDL Ratio?
- Thresholds depend on units and ethnicity. Associated with small dense LDL particles. Use alongside the full lipid profile.
- What are the limits and cautions when using Triglyceride/HDL Ratio?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- How is Triglyceride/HDL Ratio calculated in practice? Can you show a worked example?
- Inputs: Triglycerides 150 mg/dL, HDL cholesterol 50 mg/dL → Result: TG/HDL ratio 3.0（Interpretation: Lower ratio — more favourable., Note: Thresholds vary by units and ethnicity (mg/dL here).）