all patients were between 30 and 64 years of age , had survived one and only one electrocardiogram and enzyme-documented myocardial infarction , and had a total plasma cholesterol of at least 220 mg/dl or a low density lipoprotein ( ldl ) -cholesterol of at least 140 mg/dl if the total plasma cholesterol was between 200 and 219 mg/dl after a minimum of 6 weeks of dietary fat and cholesterol restriction .
C0023824
low density lipoprotein
C0008377
cholesterol