In primary prevention, what do risk calculators inform?

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In primary prevention, risk calculators estimate the chance of a cardiovascular event over the next 10 years by integrating multiple factors such as age, sex, race, blood pressure, cholesterol levels, diabetes, and smoking. This 10-year ASCVD risk helps clinicians and patients weigh the potential benefit of starting a statin, with higher calculated risk making statin therapy more likely to be recommended. Risk-enhancers—things like a strong family history of premature ASCVD, persistently high LDL-C, diabetes, inflammatory conditions, or other clinical features—can tilt the discussion and influence the decision even if the numeric risk is near a threshold. The tool isn’t about measuring blood pressure alone, nor does it aim to predict lifetime stroke risk in this context, and it is used to guide treatment decisions rather than being ignored in decision-making.