Table 1.
Clinical data of the patient groups
| Groups | Control (n = 31) | CD | DCM | |||
| 0 (n = 43) | NYHA I–II (n = 20) | NYHA III–IV (n = 27) | NYHA I–II (n = 22) | NYHA III–IV (n = 25) | ||
| Age (years) | 54.3 (2.3) | 52.0 (1.5) | 53.2 (3.1) | 48.3 (2.1) | 47.0 (3.1) | 46.9 (2.5) |
| Male/Female | 16/15 | 11/32 | 7/13 | 15/12 | 13/9 | 16/9 |
| SBP (mm Hg) | 120.8 (2.0) | 123.7 (1.8) | 110.6 (2.4)* | 97.7 (2.7)* | 113.7 (2.6)* | 100.8 (3.2)* |
| DBP (mm Hg) | 76.3 (0.9) | 78.1 (1.0) | 74.4 (1.3) | 70.6 (1.5)* | 74.8 (1.4) | 72.0 (1.6)* |
| Heart rate (bpm) | 74.7 (1.1) | 70.1 (1.3) | 71.4 (2.2) | 73.5 (2.3) | 73.4 (2.2) | 81.7 (2.4)* |
| ECG: pacemaker | 4 | 4 | 5 | 0 | 0 | |
| Normal/Abnormal | 16/23 | 0/16 | 0/22 | 0/22 | 0/25 | |
| Echo: LVEF (%) | 68.1 (1.2) | 38.3 (2.0)* | 26.0 (1.5)* | 36.3 (2.3)* | 23.7 (1.4)* | |
| LVEF>50%/<50% | 43/0 | 2/18 | 0/27 | 1/21 | 0/25 | |
*Denotes p<0.05 v Chagas group 0.
CD, Chagas’ disease; DBP, diastolic blood pressure; DCM, dilated cardiomyopathy; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association; SBP, systolic blood pressure.
Abnormal ECG includes arrhythmias, flutter and atrial fibrillation, any bundle branch block, atrioventricular block, atrial/ventricular hypertrophy.