TABLE I. Demographic, epidemiological and clinical data of the recruited patients.
| Variablea | A Group N = 110 |
B1 Group N = 163 |
C Group N = 133 |
p-value | |
|---|---|---|---|---|---|
| Gender | |||||
| Female | 71 (64.5) | 126 (77.3) | 85 (63.9) | ||
| Male | 39 (35.5) | 37 (22.7) | 48 (36.1) | ||
| Age (years)b | 51 ± 12 | 60 ± 13 | 60 ± 11 | KW < 0.001 | |
| ≤ 45 | 37 (33.6) | 23 (14.4) | 17 (12.8) | ||
| > 45 | 73 (66.4) | 138 (85.7) | 116 (87.2) | ||
| Ethnicity (n = 353) | 94 | 141 | 118 | Chisq. 0.34 | |
| White | 27 (28.7) | 26 (18.4) | 27 (22.9) | ||
| Black | 8 (8.5) | 11 (7.8) | 13 (11.0) | ||
| Mestizo | 59 (62.8) | 104 (73.8) | 78 (66.1) | ||
| Monthly income (n = 377) | 106 | 14 9 | 122 | Chisq. 0.82 | |
| Up to 1 MW | 70 (66.7) | 99 (66.5) | 88 (72.1) | ||
| 2-4 | 14 (13.3) | 23 (15.4) | 14 (11.5) | ||
| More than 5 | 21 (20.0) | 27 (18.1) | 20 (16.4) | ||
| Education (n = 379) | 103 | 154 | 122 | Chisq. 0.14 | |
| Up to 4 years | 84 (81.6) | 123 (79.9) | 108 (88.5) | ||
| More than 4 years | 19 (18.4) | 31 (20.1) | 14 (11.5) | ||
| Region (n = 358) | 101 | 153 | 121 | Chisq < 0.001 | |
| PE, Agreste | 25 (24.8) | 22 (14.4) | 31 (25.6) | ||
| PE, Mata | 21 (20.8) | 79 (51.6) | 52 (43.0) | ||
| PE, Metropolitan | 6 (5.9) | 8 (5.2) | 6 (5.0) | ||
| PE, Sertão | 27 (26.7) | 31 (20.3) | 14 (11.6) | ||
| Other States | 22 (21.8) | 13 (8.5) | 18 (14.9) | ||
| Clinical information | 110 | 16 3 | 133 | ||
| LVEF (%)b | 67 ± 5 | 66 ± 6 | 40 ± 11 | KW < 0.001 | |
| Benznidazole | 49 (44.5) | 19 (11.6) | 19 (14.3) | ||
a
results are presented as number (frequency);
b
mean ± standard deviation; n: number of patients; MW: minimum wage; PE: state of Pernambuco; LVFE: left ventricular ejection fraction.