Table 3 Comparison of T. cruzi DNA detection by means of T. cruzi satDNA/IRBP qPCR assay (index test) and standardized qPCR (comparator test)
Panel of well-characterized samples | n | Index test | |
|---|---|---|---|
Positive | Negative | ||
Comparator qPCR test-positive | |||
Canis familiaris | 2 | 2 | 0 |
Felis catus | 5 | 5 | 0 |
Ovis aries | 3 | 3 | 0 |
Didelphis sp. | 6 | 6 | 0 |
Total | 16 | 16 | 0 |
Comparator qPCR test-negative | |||
Canis familiaris | 9 | 0 | 9 |
Felis catus | 1 | 0 | 1 |
Ovis aries | 3 | 1 | 2 |
Capra hircus | 9 | 0 | 9 |
Promops nasutus | 6 | 0 | 6 |
Conepatus chinga | 1 | 0 | 1 |
Lagostomus maximus | 1 | 0 | 1 |
Total | 30 | 1 | 29 |