Estimate your 10-year risk of atherosclerotic cardiovascular disease (ASCVD).
Male
Female
White
African American
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No
Yes
No
Yes
No
Yes
No
Your Estimated 10-Year ASCVD Risk:—
Understanding Your 10-Year ASCVD Risk
The Atherosclerotic Cardiovascular Disease (ASCVD) Risk Estimator Plus is a tool used to predict the likelihood of experiencing a first hard ASCVD event (such as a heart attack or stroke) within the next 10 years. This calculator is based on the Pooled Cohort Equations developed by the American College of Cardiology (ACC) and the American Heart Association (AHA). It is designed for individuals aged 40-79 years.
Key Risk Factors Included:
Age: Risk increases significantly with age.
Sex: Men generally have a higher risk than premenopausal women.
Race: The calculator accounts for differences in risk between White and African American individuals.
Total Cholesterol: Higher levels are associated with increased risk.
HDL Cholesterol (High-Density Lipoprotein): Often called "good" cholesterol; higher levels are protective and associated with lower risk.
Systolic Blood Pressure: Higher blood pressure is a major risk factor.
Treatment for High Blood Pressure: Being on medication indicates the presence of hypertension, a significant risk factor.
Diabetes Mellitus: A strong risk factor for cardiovascular disease.
Current Smoker: Smoking dramatically increases ASCVD risk.
On Statin Treatment: This input is for advanced models and may not be in all standard calculators. In the context of the ACC/AHA guidelines, this might be considered a modifier or is implicitly handled by other factors in simpler versions. For this calculator's specific implementation, it is included.
How the Calculation Works (Simplified Explanation):
The ACC/AHA Pooled Cohort Equations use a complex statistical model derived from large population studies. The model assigns points based on the values of the risk factors entered. These points are then converted into a percentage representing the 10-year risk of a hard ASCVD event. The exact mathematical formula is quite intricate and involves multiple terms, including interaction terms between variables.
For example, the core calculation for White men involves terms like:
This formula is then adjusted based on sex, race, and whether the individual is on blood pressure medication. The resulting value is exponentiated and scaled to represent the 10-year risk percentage. The specific coefficients and adjustments vary slightly across different versions and guidelines. This calculator provides an estimate based on these established principles.
Interpreting Your Results:
Low Risk (< 7.5%): Generally considered a lower risk, and primary prevention strategies (lifestyle modification) are usually recommended.
Borderline Risk (7.5% – 19.9%): May benefit from risk-reducing therapies and intensive lifestyle changes. A discussion with a healthcare provider is important.
Intermediate Risk (20% – 39.9%): Higher risk, often indicating a strong need for discussion about statin therapy and aggressive risk factor management.
High Risk (≥ 40%): Significantly elevated risk, warranting immediate consideration of statin therapy and comprehensive risk factor intervention.
Disclaimer: This calculator provides an estimate and is not a substitute for professional medical advice. Always consult with a qualified healthcare provider for diagnosis and treatment decisions. Factors not included in the calculator, such as family history, inflammatory conditions, and other specific medical details, can also influence your cardiovascular risk.
function calculateAscvdRisk() {
// Get input values
var age = parseFloat(document.getElementById("age").value);
var gender = parseInt(document.getElementById("gender").value); // 1 for Male, 0 for Female
var race = parseInt(document.getElementById("race").value); // 1 for White, 0 for African American
var total_cholesterol = parseFloat(document.getElementById("total_cholesterol").value);
var hdl_cholesterol = parseFloat(document.getElementById("hdl_cholesterol").value);
var systolic_bp = parseFloat(document.getElementById("systolic_bp").value);
var on_bp_medication = parseInt(document.getElementById("on_bp_medication").value);
var diabetes = parseInt(document.getElementById("diabetes").value);
var smoker = parseInt(document.getElementById("smoker").value);
var treatment = parseInt(document.getElementById("treatment").value); // On Statin Treatment
var resultElement = document.getElementById("riskResult");
var categoryElement = document.getElementById("riskCategory");
// Input validation
if (isNaN(age) || age = 120 ||
isNaN(total_cholesterol) || total_cholesterol <= 0 ||
isNaN(hdl_cholesterol) || hdl_cholesterol <= 0 ||
isNaN(systolic_bp) || systolic_bp 30 is very high)
risk_percent = Math.max(0, Math.min(100, risk_percent));
// Determine risk category
var category = "";
var categoryClass = "";
if (risk_percent = 7.5 && risk_percent = 20.0 && risk_percent < 40.0) {
category = "Intermediate Risk";
categoryClass = "intermediate-risk";
} else {
category = "High Risk";
categoryClass = "high-risk";
}
resultElement.textContent = risk_percent.toFixed(1) + "%";
categoryElement.textContent = category;
categoryElement.className = "risk-category " + categoryClass; // Apply dynamic class
}