High dose	Low dose	Low dose + grape extract	Placebo
Age (years)	54	54	53	54
Gender (%) (M/F)	30/70	25/75	25/75	35/65
Race (%) (CA/AA/Asian)	80/20/0	75/25/0	75/15/10	50/50/0
Smokers (%)	15	15	10	0
Concomitant disease (%)a	60	60	40	70
Cholesterol medication use (%)b	35	35	35	40
Framingham 10-year risk (%)	6	6	6	6