Fig 1.
Study design of a seroepidemiological survey for Chagas disease in Feira de Santana, Bahia, Brazil.
The figure summarizes participant selection within the Every Heartbeat Matters cardiac screening initiative, with ECG and echocardiographic evaluation, risk stratification, and subsequent serological testing using IBMP chimeric antigen–based ELISA and commercial assays. The design follows the Standards for Reporting of Diagnostic Accuracy Studies (STARD) guidelines.
Table 1.
Reactivity patterns of serum samples from participants screened for Chagas disease in Feira de Santana, Bahia, Brazil.
Fig 2.
Geographic origins of individuals seropositive for Trypanosoma cruzi in Feira de Santana, Bahia, Brazil.
The map shows the municipalities of birth of participants who tested positive for Chagas disease during the Every Heartbeat Matters screening initiative. Public domain digital maps were obtained from the Brazilian Institute of Geography and Statistics (IBGE) and analyzed using QGIS version 3.10 (Geographic Information System, Open-Source Geospatial Foundation Project. http://qgis.osgeo.org).
Table 2.
Univariate analysis of epidemiological factors associated with Trypanosoma cruzi seropositivity in participants from Feira de Santana, Bahia, Brazil.