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. 2004 Dec 16:3:29.
doi: 10.1186/1476-511X-3-29.

Correlates of serum lipoprotein (A) in children and adolescents in the United States. The third National Health Nutrition and Examination Survey (NHANES-III)

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Correlates of serum lipoprotein (A) in children and adolescents in the United States. The third National Health Nutrition and Examination Survey (NHANES-III)

Thomas O Obisesan et al. Lipids Health Dis. .

Abstract

Objective: To determine the correlates of serum lipoprotein (a) (Lp(a)) in children and adolescents in the United States.

Methods: Cross-sectional study using representative data from a US national sample for persons aged 4-19 years participating in The Third National Health Nutrition and Examination Survey (NHANES-III).

Results: We observed ethnicity-related differences in levels of Lp(a) > 30 mg/dl, with values being markedly higher in African American (black) than nonhispanic white (white) and Mexican American children in multivariate model (P < 0.001). Higher levels of Lp(a) > 30 mg/dl associated with parental history of body mass index and residence in metro compared to nonmetro in Blacks, and high birth weight in Mexican American children in the NHANES-III. In the entire group, total cholesterol (which included Lp(a)) and parental history of premature heart attack/angina before age 50 (P < 0.02) showed consistent, independent, positive association with Lp(a). In subgroup analysis, this association was only evident in white (P = 0.04) and black (P = 0.05) children. However, no such collective consistent associations of Lp(a) were found with age, gender, or birth weight.

Conclusion: Ethnicity-related differences in mean Lp(a) exist among children and adolescents in the United States and parental history of premature heart attack/angina significantly associated with levels of Lp(a) in children. Further research on the associations of Lp(a) levels in childhood with subsequent risk of atherosclerosis is needed.

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Figures

Figure 1
Figure 1
Percent Frequency of Lp(a) mg/dl in children aged 4–16 years, by ethnic group in the Third National Health and Nutrition Examination Survey, 1988–1994.
Figure 2
Figure 2
Prevalence of lipoprotein(a) concentration > 30 mg/dl in children aged 4–16 years, by combined ethnic group, and parental history of heart disease or angina, high cholesterol, or diabetes below age 50 in the Third National Health and Nutrition Examination Survey, 1988–1994

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