Table 4.

Lp(a)-related risk of carotid plaque progression^* over a median 9.4 year period in 3,380 Multi-Ethnic Study of Atherosclerosis participants stratified by race/ethnicity^†.

	Black N=885	Caucasian N=1326	Chinese American N=435	Hispanic N=734
per Lp(a) log unit	1.04 (0.98 − 1.10)	1.02 (0.99 − 1.05)	1.01 (0.94 − 1.09)	0.99 (0.95 − 1.03)
Lp(a)≥ 30 mg/dL	1.02 (0.91 − 1.15)	1.06 (0.97 − 1.17)	0.93 (0.76 − 1.12)	1.02 (0.90 − 1.15)
Lp(a)≥ 50 mg/dL	1.05 (0.93 − 1.18)	1.12 (1.01 − 1.24) 0.03	0.97 (0.77 − 1.21)	1.09 (0.95 − 1.25)

Risk ratios and 95% confidence intervals are shown, p-values where significant. Covariate adjustments were made for age, sex, systolic blood pressure, hypertension and lipid lowering medication use, total cholesterol, HDL-C, diabetes, and smoking status. Race-interactions were tested between racial/ethnic groups. Definitions: Lp(a)=lipoprotein(a); diabetes=treated and untreated cases; HDL-C=high density lipoprotein-cholesterol; smoking status=current, former, never

^*Carotid plaque progression was modeled as a logistical variable (0 or 1); progression was considered to have occurred when a new plaque developed after baseline

^†No significant race-interactions were observed