Table 1.

Baseline demographics of patients with and without echocardiogram at baseline

	Patients with echocardiogram at baseline (analytic subcohort)	Patients without echocardiogram at baseline (excluded from analysis)	p-value*
Number of participants (n)*	529	126
Demographics:
Age, mean ±SD, (in years)	69.1 ± 12.6	71.9 ± 12.5	0.07
Male, N (%)	242 (45.8)	50 (39.7)	0.22
Race- Ethnicity
Non-Hispanic White, N (%)	96 (18.1)	28 (22.2)	ref
Non-Hispanic Black, N (%)	135 (25.5)	46 (36.5)	0.57
Hispanic, N (%)	286 (54.1)	50 (39.7)	0.05
Risk factors and medical history (%):
Hypertension	442 (83.6)	104 (82.5)	0.78
Diabetes mellitus	237 (44.8)	58 (46.0)	0.80
Congestive heart failure	96 (18.2)	30 (23.8)	0.15
Atrial fibrillation	97 (17.8)	25 (19.8)	0.59
Current smoking	108 (20.5)	24 (19.1)	0.71
History of hypercholesterolemia	265 (50.1)	64 (50.8)	0.89
Stroke etiologic subtypes, N (%)
Atherosclerotic	88 (16.6)	12 (9.5)	0.05
Lacunar	129 (24.4)	23 (18.3)	0.14
Cardioembolic	105 (19.7)	22 (17.5)	0.54
Cryptogenic	193 (36.5)	63 (50.0)	0.01
Recurrent ischemic stroke, (N) %	65 (12.3)	16 (12.7)	0.9
Follow-up time median (inter quartile range), (in year)	4.0 (1.3 – 5.0)	3.0 (0.9 – 5.0)	0.18

^*Kruskal-Wallis test for continuous variables and chi-square with 1DF test for categorical variables were used.