10-Year Cardiovascular Risk Calculator (PREVENT)
Created by: Sophia Bennett
Last updated:
Estimate 10-year total cardiovascular disease risk with the 2023 ACC/AHA PREVENT simplified inputs, including an optional kidney-function field when available.
10-Year Cardiovascular Risk Calculator (PREVENT)
HealthEstimate 10-year total cardiovascular disease risk with the 2023 ACC/AHA PREVENT simplified equations and an optional kidney-function input.
Leave blank if you do not have a recent value.
What is the PREVENT 10-Year Cardiovascular Risk Calculator?
The PREVENT calculator is the 2023 ACC/AHA risk framework for estimating total cardiovascular disease risk rather than focusing only on older ASCVD categories.
It uses everyday clinical inputs such as age, sex, cholesterol, blood pressure, diabetes, smoking, BMI, and optionally kidney function to estimate 10-year risk.
This version uses the published simplified PREVENT coefficients for total CVD and adds a clear note when kidney-function data is unavailable.
How the PREVENT Risk Estimate Works
The calculator centers and scales each input, applies spline terms for systolic blood pressure, BMI, and kidney function, then combines those values with sex-specific beta coefficients from the PREVENT simplified equations.
The final step converts the summed log-odds into a 10-year risk percentage and then maps that result into standard prevention tiers for communication.
Core PREVENT approach
Sex-specific simplified PREVENT beta coefficients are applied to centered and scaled inputs
Systolic blood pressure, BMI, and eGFR use piecewise linear spline terms
10-year risk = exp(log-odds) / (1 + exp(log-odds))
If eGFR is missing, the tool omits kidney terms instead of estimating kidney function from age or sex
Example Scenarios
Example 1: Full input set
Someone with current cholesterol, blood pressure, BMI, and a recent eGFR can get the full kidney-informed estimate.
Example 2: No recent chemistry panel
A person who knows their lipid panel and blood pressure but not eGFR can still review a no-kidney-input estimate without inventing a lab value.
Example 3: Prevention planning
The risk tier can help organize a conversation about smoking cessation, exercise, diet, blood pressure control, and lipid-lowering treatment.
How People Use This Calculator
- Estimate 10-year total cardiovascular disease risk with simplified PREVENT inputs.
- Compare your result with low, borderline, intermediate, and high prevention tiers.
- Translate the estimate into a heart-age style summary for easier communication.
- Bring a structured set of numbers into a preventive-care discussion.
Tips for Using PREVENT Responsibly
Use recent blood pressure and cholesterol values when possible. Old measurements can shift the estimate meaningfully.
This tool supports prevention discussions. It does not replace diagnosis, medication selection, or clinician judgment about overall benefit and risk.
Frequently Asked Questions
What does PREVENT estimate?
This calculator estimates 10-year total cardiovascular disease risk, which includes more than heart attack or stroke alone.
Why is eGFR optional?
The published base PREVENT model includes kidney function, but people do not always have a recent value available. This tool uses the kidney term when entered and otherwise omits that term rather than guessing it.
Does this replace a clinician decision about statins or blood pressure treatment?
No. Treatment decisions still depend on medical history, repeat measurements, and shared decision-making.
What is heart age here?
Heart age is a simplified comparison that translates your estimated risk into an age-style summary. It is a communication aid, not a diagnosis.
Why is this called total CVD risk instead of ASCVD risk?
PREVENT estimates broader cardiovascular disease risk. That is different from calculators focused only on ASCVD events.
Sources and References
- Khan SS, et al. 2023 ACC/AHA PREVENT equations publication and supplement.
- American Heart Association PREVENT calculator overview.
- ACC/AHA primary prevention guidance and clinician communication resources.
Medical Note
10-Year Cardiovascular Risk Calculator (PREVENT) is for education and planning only and does not replace clinician advice, diagnosis, lab interpretation, or urgent care.