TABLE 2.
Information regarding diagnostic specificity of Brucella-free herds for serological tests namely Rose Bengal test, complement fixation test, serum agglutination test, competitive enzyme-linked immunosorbent assay and indirect enzyme-linked immunosorbent assay.
| Serological tests | RBT | CFT | SAT | cELISA | iELISA |
|---|---|---|---|---|---|
| Total number of sera tested | 186 | 186 | 186 | 180 | 186 |
| Number of negative samples | 186 | 186 | 180 | 171 | 172 |
| Number of positive samples | 0 | 0 | 6 | 9 | 8 |
| Diagnostic specificity (DSp %) | 100 | 100 | 96.8 | 95.0 | 92.5 |
| Confidence interval (at 95%) | - | - | 93.6–98.8 | 90.7–97.7 | 88.3–96.2 |
DSp, diagnostic specificity; RBT, Rose Bengal test; CFT, complement fixation test; SAT, serum agglutination test; cELISA, competitive ELISA; iELISA, indirect ELISA.