Table 2.

Median lipoprotein(a) and prevalence of concentrations >30 mg/dL in children aged 4–16 years by ethnic group and parental history of heart or an angina below age 50, high cholesterol, or diabetes: NHANES-III, 1988–1994

Ethnic group		Lipoprotein(a) mg/dL						N
		Median (mg/dL)			Percent > 30 (mg/dL)
		Heart Attack	High Cholesterol	Diabetes	Heart Attack	High Cholesterol	Diabetes	Heart Attack	High Cholesterol	Diabetes
Nonhispanic white
	Yes	25	13	12.5	42.6*	26.7	32.8	15	138.0	34
	No	10	8	8	18.4	16.1	18.0	722	586.0	701
Nonhispanic black
	Yes	45	28	33.5	72.4*	48.9	56.6	53	111.0	86
	No	32	33	32	54.1	55.5	54.8	1242	1176.0	1206
Mexican American
	Yes	12	9.5	7	34.5*	19.6	19.2	21	134.0	45
	No	7.5	7	8	18.3	18.7	18.7	990	870.0	966

* Indicates statistically significant association of parental history of heart attack before age 50 with levels of Lp(a) > 30 mg/dl nonhispanic black, nonhispanic white and Mexican American children. Significance level was set at < 0.05.