The Framingham general cardiovascular risk score estimates your chance of having any major cardiovascular event over the next ten years. It grew out of the famous Framingham Heart Study and still anchors prevention conversations in clinics worldwide.
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- Risk spectrum with your position marked
- Reference ranges from the original publication
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Scientific references
From a small town to every clinic
In 1948 researchers began following the residents of Framingham, Massachusetts, measuring everything from blood pressure to smoking habits and then watching who went on to have heart attacks and strokes. Decades of follow up produced the mathematical models behind this score. The 2008 update you are using here predicts the combined risk of coronary death, heart attack, stroke, and other major events rather than coronary disease alone, which makes it a broader measure than the original versions.
What the equation weighs
The model works on the natural logarithms of age, total cholesterol, HDL cholesterol, and systolic blood pressure, then adds points for smoking and diabetes. Age dominates the math because artery damage accumulates over decades. HDL enters with a negative sign, meaning higher HDL pulls the estimate down. Treated hypertension scores differently from untreated hypertension, reflecting the residual risk that remains even when pills bring the numbers back toward normal.
How it differs from the pooled cohort equations
The ACC and AHA pooled cohort equations, also on this site, were built from more diverse American cohorts and focus on atherosclerotic events only. Framingham counts a wider set of outcomes and tends to produce higher percentages in the same person. Neither is wrong. They answer slightly different questions, and guidelines on both sides of the Atlantic still reference Framingham in their treatment thresholds.
Using the number well
A result under ten percent is conventionally called low risk, ten to twenty percent intermediate, and above twenty percent high. These bands shape conversations about statins and blood pressure treatment, but they are starting points, not verdicts. Family history, coronary calcium scoring, and lipoprotein(a) can all shift a borderline decision. Recalculate every year or two, because the inputs drift and so does your risk.