Cholesterol and triglycerides in serum lipoproteins of young persons in Rochester, Minnesota.

Cholesterol and triglyceride levels in whole sera and in the major lipoprotein fractions are presented for 2,421 children and youths in Rochester, Minnesota, ranging in age from 6 to 18 years. This cross-sectional study revealed subtle changes associated with puberty and the occurrence of certain additional sex-specific changes related to age. Hyperlipoproteinemia was detected in 101 youngsters; those cases exemplified types IIa (61 cases), IIb (5 cases), III (5 cases), and IV (30 cases). One case of type V hyperlipoproteinemia was observed in a second and comparable population sample of 1,245 young persons.