TABLE II. Kappa coefficient of agreement between the serological diagnostic tests for Trypanosoma cruzi exposure.
Diagnostic test | Kappa | Z | p |
---|---|---|---|
Rapid test - ELISA Winner | 0.731 | 5.27 | < 0.00001a |
Rapid test - IFAT | 0.865 | 6.24 | < 0.00001a |
IFAT - ELISA Winner | 0.751 | 5.36 | < 0.00001a |
Rapid test - IFAT - ELISA Winner | 0.781 | 9.67 | < 0.00001a |
a: statistically significant (p < 0.05); IFAT: immunofluorescence antibody test.