Table 1. Demographic and medical characteristics of the study population, by T.cruzi antibody status.
| Seropositive | Seronegative | p-value* | |
| N = 499 | N = 488 | ||
| Site | |||
| Sao Paulo | 255 (51) | 239 (49) | |
| Montes Claros | 244 (49) | 249 (51) | |
| Male gender | 261 (52) | 241 (49) | |
| Age (years) | 48 (40–57) | 49 (42–58) | |
| Skin Color | 0.0005 | ||
| White | 155 (31) | 203 (42) | |
| Black | 56 (11) | 28 (6) | |
| Mixed | 274 (55) | 249 (51) | |
| Other | 11 (2) | 7 (1) | |
| Refuse to answer/missing | 3 (1) | 1 (<1) | |
| Height (cm) | 163 (157–170) | 165 (158–172) | |
| Weight (Kg) | 71 (64–79) | 73,5 (66–84) | <0.0001 |
| BMI | 26 (24–29) | 27 (25–30) | 0.0009 |
| Pulse (bpm) | 65 (60–72) | 70 (60–75) | 0.002 |
| Systolic BP (mm Hg) | 125 (114–140) | 125 (115–140) | |
| Hypertension (self-reported) | 113 (23) | 119 (24) | |
| Diabetes (self-reported) | 27 (5) | 24 (5) | |
| Total Cholesterol (mg/dL) | 195 (168–226) | 204,5 (175–230) | 0.025 |
| Smoking (current or former smoker) | 216 (43) | 233 (48) | |
| Glucose (mg/dL) | 87 (79–96) | 87 (80–98) | |
| LVEF<0.50 ** | 36 (7) | 11 (2) | 0.0002 |
| NT-pro BNP (pg/mL) | 48 (27–90) | 37 (23–64) | <0.0001 |
Data is presented as median (interquartile range) or numbers (%).
*
Reported if <0.05.
**
Available in 497 seropositive donors and 461 seronegative donors. NT-proBNP: NT-pro brain natriuretic peptide.