Classification, education, and followup based on low-density lipoprotein–cholesterol (from the National Cholesterol Education Program52). HDL indicates high-density lipoprotein; LDL, low-density lipoprotein.
Other Risk Factors That Contribute to Earlier Onset of Coronary Heart Disease
Family history of premature coronary heart disease, cerebrovascular disease, or occlusive peripheral vascular disease (definite onset before the age of 55 years in siblings, parent, or sibling of parent)
Elevated blood pressure
Low HDL–cholesterol concentration (<35 mg/dL)
Severe obesity (≥95th percentile weight for height)
Classification of Total and LDL–Cholesterol Levels in Children and Adolescents From Families With Hypercholesterolemia or Premature Cardiovascular Disease