Table 1. Baseline characteristics of each ethnic population.

	Total		Japanese		Caucasians		African American		Hispanic		Asian American
	N = 15,588		N = 8,871		N = 5,170		N = 648		N = 817		N = 82
	N	%	N	%	N	%	N	%	N	%	N	%	P value
Age (>65 years)	8,603	55.19	5,694	64.19	2,367	45.78	211	32.56	298	36.47	33	40.24	<0.001
Gender (Female)	4,621	29.64	2,585	29.14	1,474	28.51	301	46.45	243	29.74	18	21.95	<0.001
Obesity (BMI <25 kg/m2)	7,795	51.36	2,747	31.41	3,835	77.49	524	82.91	651	84	38	50	<0.001
Previous MI	4,618	29.76	2,327	26.28	1,708	33.34	263	40.78	302	37.15	18	21.95	<0.001
Previous HF	2,326	15.01	1,364	15.43	685	13.37	139	21.55	134	16.48	4	4.88	<0.001
NYHA IV	617	3.98	126	1.43	353	6.9	64	9.92	70	8.61	4	4.88	<0.001
Peripheral vascular disease	1,999	12.88	1,000	11.28	772	15.08	113	17.52	108	13.28	6	7.32	<0.001
Renal insufficiency	1,327	8.61	555	6.35	547	10.68	101	15.66	112	13.78	12	14.63	<0.001
Hypertension	11,122	71.63	6,158	69.46	3,742	73.06	563	87.29	590	72.66	69	84.15	<0.001
Diabetes mellitus	5,540	35.69	3,473	39.2	1,356	26.47	284	44.03	402	49.45	25	30.49	<0.001
Dyslipidemia	8,630	55.63	4,540	51.29	3,202	62.53	355	55.12	483	59.41	50	60.98	<0.001
Family history of CAD	3,575	23.74	1,321	15.72	1,790	34.95	205	31.78	238	29.27	21	25.61	<0.001
Smoking	7,696	50.1	4,608	52.93	2,440	47.69	314	48.68	320	39.41	14	17.07	<0.001
No of diseased vessels
1-vessel disease	6,023	41.06	3,087	35.13	2,310	50.97	269	48.04	330	46.15	27	36.49
2-vessel disease	4,719	32.17	2,826	32.16	1,465	32.33	170	30.36	231	32.31	27	36.49	<0.001
3-vessel disease	3,927	26.77	2,875	32.72	757	16.7	121	21.61	154	21.54	20	27.03

Abbreviations: BMI, body mass index; MI, myocardial infarction; HF, heart failure; NYHA, New York Heart Association; CAD, coronary artery disease.