Table 1. Baseline Characteristics of 790 Cardiomyopathy Patients.

Clinical and demographic characteristics	Cases available		Chagas disease		p value
	n	%	Yes	No
			(n = 329 [41.6%])	(n = 461 [58.4%])
Age (mean [SD])	789	58.3 [13.2]	58.8 [11.4]	58.0 [14.3]	0.409
Age over 55 years	789	62.0	63.5	60.9	0.449
Male sex	790	55.3	53.5	56.6	0,384
Non-White	773	82.4	85.8	80.0	0,038
Alcohol abuse	779	7.3	5.8	8.4	0.176
Current smoker	790	15.6	11.2	18.7	0.005
Hypertension	789	54.4	42.1	63.1	0.000
Diabetes mellitus	789	11.8	9.5	13.4	0.086
Stroke	790	13.7	17.3	11.1	0.012
Pacemaker	789	8.2	15.2	3.3	<0.001
Cardioversiona	789	2.5	2.7	2.4	0.753
Rhythm non-sinus	789	27.0	35.6	20.9	0.000
Atrial fibrillation	789	8.2	10.0	7.0	0.122
LV dysfunctionb	621	66.8	71.1	63.7	0.530
Dyspnea	789	86.3	86.0	86.6	0.817
Edema	778	60.8	62.7	59.5	0.370
Left heart thrombus	599	2.8	2.9	2.8	0.936
CABG or PTCAc	776	4.1	1.2	6.2	0.001
Coronary artery disease	772	16.1	7.4	22.4	<0.001
Chronic renal failure	785	6.5	4.3	8.0	0.036

SD: standard deviation.

^aCardioversion for ventricular tachycardia or cardiac arrest.

^bLeft ventricular ejection fraction below 45%.

^cCoronary artery bypass graft or percutaneous transluminal coronary angioplasty.