Serum lipids, lipoproteins and apolipoproteins in black patients with angiographically defined coronary artery disease

Journal of Clinical Epidemiology
E FordA Castaner

Abstract

The association between angiographically defined coronary artery disease (CAD) and serum lipids, lipoproteins, and apolipoproteins was evaluated in 151 black men and 245 black women. Patients with 70% or greater narrowing of at least one coronary artery or greater than or equal to 50% stenosis of the left main coronary artery (n = 179) were compared to those with lesions of less than 50% stenosis (n = 217) for total cholesterol (TC), low density lipoprotein-cholesterol (LDL-C), high density lipoprotein-cholesterol (HDL-C), LDL-C/HDL-C, triglycerides, apolipoprotein A-I, apolipoprotein B, and apolipoprotein A-I/B. A consistently more atherogenic pattern of lipids, lipoproteins, and apolipoproteins occurred only among the women. Using stepwise selection multiple logistic regression analysis, the ratio of apolipoprotein A-I/B (odds ratio = 0.38, 95% confidence limits 0.24-0.61) was the only statistically significant association of CAD in women, after adjusting for the effects of age, body mass index, and histories of smoking, hypercholesterolemia, hypertension, and diabetes. When stratified by median of total cholesterol, the ratio of apolipoprotein A-I/B was the most strongly associated with the presence of CAD in the lower half ...Continue Reading

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