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The American Heart Association advises clinicians to use a global coronary heart risk score as an initial determinant of a patient's candidacy for aspirin prophylaxis or lipid-lowering therapy. In a systematic review, authors assessed whether providing such scores to patients improved the accuracy of self-perceived risk, enhanced adherence to therapy, and subsequently lowered coronary heart disease (CHD) risk.
Of the 18 included studies, 14 were randomized, but only 5 involved more than 125 patients. In aggregate, these studies showed that providing risk information to patients improved their perception of their risk category to a small extent. In only one study (involving 98 patients) did investigators assess whether providing global corona…