Non-HDL Cholesterol Calculator
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Non-HDL Cholesterol Calculator
Calculate your Non-HDL Cholesterol level to better understand your cardiovascular risk.
Your Non-HDL Cholesterol Level:
mg/dL
Understanding Non-HDL Cholesterol
Non-High-Density Lipoprotein Cholesterol (Non-HDL Cholesterol) is a key indicator of cardiovascular disease risk. It represents all the "bad" cholesterol particles in your blood, including Low-Density Lipoprotein (LDL) cholesterol and other lipoprotein particles that can contribute to plaque buildup in arteries (atherosclerosis).
Unlike LDL cholesterol alone, Non-HDL Cholesterol includes all atherogenic (plaque-forming) lipoproteins. This makes it a more comprehensive marker for assessing heart disease risk, especially in individuals with high triglycerides.
How is Non-HDL Cholesterol Calculated?
The calculation is straightforward and uses standard lipid panel results:
Non-HDL Cholesterol = Total Cholesterol - HDL Cholesterol
Where:
- Total Cholesterol: The sum of all cholesterol in your blood, including HDL, LDL, and VLDL.
- HDL Cholesterol: High-Density Lipoprotein cholesterol, often referred to as "good" cholesterol because it helps remove excess cholesterol from the arteries.
Interpreting Your Results
Target levels for Non-HDL Cholesterol vary based on individual risk factors for heart disease. Generally, lower levels are better. Here are some common guidelines:
- Optimal: Less than 100 mg/dL
- Near Optimal/Above Optimal: 100-129 mg/dL
- Borderline High: 130-159 mg/dL
- High: 160-189 mg/dL
- Very High: 190 mg/dL or higher
It is crucial to discuss your Non-HDL Cholesterol levels and cardiovascular risk with your healthcare provider. They can provide personalized recommendations based on your overall health profile, family history, and other risk factors.
Example Calculation
Let's say a person's lipid panel shows:
- Total Cholesterol = 220 mg/dL
- HDL Cholesterol = 45 mg/dL
Using the formula:
Non-HDL Cholesterol = 220 mg/dL - 45 mg/dL = 175 mg/dL
In this example, a Non-HDL Cholesterol level of 175 mg/dL indicates a high level, suggesting an increased risk for cardiovascular disease that should be addressed with a healthcare professional.
function calculateNonHDL() {
var totalCholesterolInput = document.getElementById("totalCholesterol");
var hdlCholesterolInput = document.getElementById("hdlCholesterol");
var resultDiv = document.getElementById("result");
var resultValueDiv = document.getElementById("result-value");
var interpretationP = document.getElementById("interpretation");
var totalCholesterol = parseFloat(totalCholesterolInput.value);
var hdlCholesterol = parseFloat(hdlCholesterolInput.value);
if (isNaN(totalCholesterol) || isNaN(hdlCholesterol)) {
alert("Please enter valid numbers for Total Cholesterol and HDL Cholesterol.");
return;
}
if (totalCholesterol < hdlCholesterol) {
alert("Total Cholesterol cannot be less than HDL Cholesterol. Please check your input values.");
return;
}
var nonHDLCholesterol = totalCholesterol – hdlCholesterol;
var interpretation = "";
if (nonHDLCholesterol = 100 && nonHDLCholesterol = 130 && nonHDLCholesterol = 160 && nonHDLCholesterol < 190) {
interpretation = "This level is High. It's important to consult your doctor for management strategies.";
} else {
interpretation = "This level is Very High. Immediate consultation with a healthcare provider is recommended.";
}
resultValueDiv.textContent = nonHDLCholesterol.toFixed(1);
interpretationP.textContent = interpretation;
resultDiv.style.display = "block";
}