Abstract
A population sample, consisting of 142 men and 148 women aged 40–69, resident in Chittenden County, Vermont were screened for blood lipid abnormalities. Type II hyperlipoproteinemia was present in 3.5 per cent of the men and 6 per cent of the women; type IV in 21 per cent of the men and 10 per cent of the women. The sensitivity, specificity, performance and absolute diagnostic reliability of lipoprotein electrophoretic data were only fair for accepted abnormal lipid levels. Statistically significant correlations were present between fasting triglyceride, insulin and subscapular skinfold measurements. If hypertriglyceridemia is associated with coronary heart disease, then on the basis of such a high prevalence rate, it would appear inappropriate without further study to recommend nationwide dietary modifications that aim primarily at hypercholesterolemia.
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