Schmermund et al developed a score based on clinical and laboratory data to predict the risk of coronary atherosclerotic heart disease. The used this for correlating the coronary calcium scores for electron beam CT with disease severity on coronary angiography. The authors are from the University Clinic of Essen, the Mayo Clinic and the University Witten/Herdecke.
Parameters:
(1) age in years
(2) total cholesterol in mg/dL
(3) HDL cholesterol in mg/dL
(4) gender
(5) plasma fibrinogen in mg/dL
(6) smoking status: usually refers to smoking cigarettes
(7) hypertension: systolic blood pressure >= 140 mg/dL and diastolic blood pressure >= 90 mg/dL on at least 3 occasions, OR if the patient is receiving antihypertensive medications
Parameter
Finding
Points
gender
male
1
female
0
smoking status
smoker
1
nonsmoker
0
hypertension
present
1
absent
0
overall risk =
= (0.05 * (age in years)) + (0.1 * (total cholesterol) / (HDL cholesterol)) + (0.5 * (points for gender)) + (0.002857 * (fibrinogen)) + (0.5 * (points for smoking status)) + (0.7 * (points for hypertension))
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