Table 1.
Distribution of socio-demographic characteristics in the studied groups
| Variable | Clinical form n (%) (n = 619) | |||||
|---|---|---|---|---|---|---|
| Indeterminate (n = 180) | Cardiac (n = 343) | Digestive (n = 34) | Mixed (n = 62) | Total (n=619) | P-value | |
| Sex | 0.194 | |||||
| Male | 76 (42.2) | 156 (45.5) | 9 (26.5) | 26 (41.9) | 267 (43.1) | – |
| Female | 104 (57.8) | 187 (54.5) | 25 (73.5) | 36 (58.1) | 352 (56.9) | |
| Age, years | 55.5 ± 12.7 | 61.5 ± 11.3 | 61.6 ± 13.9 | 65.2 ± 9.6 | 60.1 ± 12.1 | < 0.001 |
| Ethnicity | 0.926 | |||||
| Caucasian | 73 (40.5) | 142 (41.4) | 16 (47.1) | 23 (36.5) | 254 (41.0) | – |
| Afro-Brazilian | 25 (13.9) | 46 (13.4) | 6 (17.6) | 10 (15.9) | 87 (14.1) | |
| Mixed/Pardo | 82 (45.6) | 155 (45.2) | 12 (35.3) | 29 (46.8) | 278 (44.9) | |
| Place of origin | 0.192 | |||||
| North | – | 1 (0.3) | – | – | 1 (0.2) | – |
| Northeast | 118 (65.6) | 243 (70.8) | 24 (70.6) | 40 (64.6) | 425 (68.6) | |
| South | 8 (4.4) | 1 (0.3) | – | 2 (3.2) | 11 (1.8) | |
| Southeast | 52 (28.9) | 91 (26.6) | 10 (29.4) | 19 (30.6) | 172 (27.8) | |
| Central-West | 2 (1.1) | 7 (2.0) | – | 1 (1.6) | 10 (1.6) | |
| Time outside the endemic area | ||||||
| < 10 years | 24 (13.8) | 25 (7.5) | 2 (6.1) | – | 51 (8.5) | 0.002 |
| 10–20 years | 53 (30.5) | 73 (22.0) | 6 (18.2) | 21 (35) | 153 (25.5) | – |
| > 20 years | 90 (51.7) | 227 (68.4) | 25 (75.7) | 37 (61.7) | 379 (63.3) | |
| Born in RJ state | 7 (4.0) | 7 (2.1) | – | 2 (3.3) | 16 (2.7) | |