Table 1. – Epidemiological and clinical characteristics and PCR testing results of Chagas disease patients from endemic areas in Minas Gerais State, highlighting negative versus positive serological results.
| Variable | Seronegative individuals n=149 (%) | Seropositive individuals n=1942 (%) | P-value |
|---|---|---|---|
| Age mean ±SD, | 63 ± 14.4 | 59 ± 12.7 | <0.001a |
| Male | 63 (42.3) | 632 (32.5) | 0.015 b |
| Mother with Chagas disease | 26 (17.4) | 369 (19) | 0.641b |
| Other family member with Chagas disease | 64 (42.9) | 1,002 (51.6) | 0.042b |
| Self-reported Chagas disease | 110 (73.8) | 1,870 (96.3) | <0.001b |
| Benznidazole treatment | 9 (6.0) | 492 (25.3) | <0.001b |
| Positive PCR assay | 0 (0) | 610 (31.4) | <0.001c |
a Mann Whitney test; b Chi-square test; cFisher exact test.