Table 1.

Selected percentiles of lipoprotein(a) distributions and prevalence of concentrations > 30 mg/dL in children and young adults aged 4–19 years by ethnic group and age: NHANES-III, 1988–1994.

Ethnic group	Age (yrs)	Lipoprotein(a) (mg/dL)						N
		Percentile					Percent > 30 (mg/dL)
		5	10	50	90	95
Nonhispanic white
	4–5	0	0	7	38	62	15.0	214
	6–11	0	0	12	48	65	18.8	304
	12–15	0	0	10	48	56	20.2	187
	16–19	0	0	9	53	62	25.8	149
Nonhispanic black
	4–5	2	6	31	75	94	52.5*	303
	6–11	1	5	32	76	100	53.3*	574
	12–15	0	5	33	77	95	56.4*	358
	16–19	1	6	31	69	76	54.6*	307
Mexican American
	4–5	0	0	5	30	48	8.2	309
	6–11	0	0	9	45	62	21.0	376
	12–15	0	0	9	48	58	20.1	272
	16–19	0	0	8	36	52	11.4	232

* Indicates unadjusted statistically significant difference in levels of Lp(a) > 30 mg/dl between black and white children, and between black and Mexican American children in the same age group. Significance level was set at < 0.05.