Table 2 PCR and serological testing for T. cruzi in dogs
From: High prevalence of Trypanosoma cruzi infection in shelter dogs from southern Louisiana, USA
| Confirmed seropositive (2 tests) | Seronegative | Total | One reactive test only | Seronegative | Total | |
|---|---|---|---|---|---|---|
| PCR Pos | 6 | 79 | 85 | 41 | 44 | 85 |
| PCR Neg | 31 | 424 | 455 | 74 | 381 | 455 |
| Total | 37 | 503 | 540 | 115 | 425 | 540 |
| Kappa | 0.003 ± 0.039 | 0.280 ± 0.050 |