TABLE 1: Clinical and echocardiographic findings (M mode and two-dimensional echocardiogram).
| Variable | Control group | Chagas group | p value |
|---|---|---|---|
| (n=72) | (n=194) | ||
| Age (y) | 40.9 ± 11.9 | 41.9 ± 8.4 | 0.34 |
| Female, n (%) | 22 (30.6) | 100 (51) | 0.002 |
| Body mass index (kg/m2) | 25.3 ± 3.03 | 26.9 ± 4.52 | 0.06 |
| Heart rate (BPM) | 70 ± 9 | 71 ±10 | 0.46 |
| Systolic blood pressure (mmHg) | 121 ± 7 | 119 ± 6 | 0.06 |
| Diastolic blood pressure (mmHg) | 78 ± 8 | 77 ± 7 | 0.42 |
| LVEDd (mm) | 49.3 ± 4.4 | 48.1 ± 4.5 | 0.052 |
| LVESd (mm) | 27.8 ± 4.6 | 28.3 ± 4.0 | 0.35 |
| LVFS (%) | 43.7 ± 6.6 | 45,9 ± 6.4 | 0.06 |
| IVS (mm) | 9.7 ± 1.43 | 9.7 ± 1.64 | 0.90 |
| LVPW (mm) | 7.54 ± 1.02 | 8.11 ± 1.08 | 0.06 |
| LV mass index (g/m2) | 92.51 ± 16.8 | 95.24 ± 19.9 | 0.30 |
| LA (mm) | 35.1 ± 3.7 | 35.4 ± 4.3 | 0.51 |
| LA (mL/m2) | 30.2 ± 3.80 | 30.1 ± 3.9 | 0.85 |
| Aortic root (mm) | 30.1 ± 3.4 | 30.8 ± 3.7 | 0.21 |
| LVEDV (mL/m2) | 52,1 ± 3.2 | 53,3 ± 3,1 | 0.06 |
| LVESV (mL/m2) | 20,3 ± 3,3 | 21,2 ± 3,2 | 0.06 |
| LVEF (%) | 60,3 ± 4,1 | 62,3 ± 2,1 | 0.06 |
Values are expressed as absolute numbers (%) and means ± SD. LVEDd: left ventricular end diastolic dimension, LVESd: left ventricular end systolic dimension, LVFD: left ventricular fractional shortening, IVS: interventricular septum, LVPW: left ventricular posterior wall, LA: left atrial dimension, LV: left ventricle; LVEDV: left ventricular end diastolic volume; LVESV: left ventricular end systolic volume; LVFS: left ventricular fractional shortening; LVEF: left ventricular ejection fraction; BPM: beat per minute.