TABLE 3.
Evaluation of JTC-ELISA for antibody detection in milk samples
| Kit | No. of sample pairs | No. of cases + no. of controls | % Sensitivitya | % Overall serum/milk agreement | Kappa statistic | r2 |
|---|---|---|---|---|---|---|
| HerdCheck | 296 | 82 + 214 | 14.10 | 32.90 | 0.07 | 0.281 |
| ParaCheck | 296 | 82 + 214 | 88.00 | 92.70 | 0.85 | 0.704 |
| ID Screen | 278 | 82 + 196 | 72.50 | 92.70 | 0.85 | 0.671 |
| JTC-ELISA | 274 | 78 + 196 | 91.10* | 93.60 | 0.87 | 0.779 |
a
Sensitivity indicates the percentage of serum ELISA-positive cows detected by milk ELISA by using the same ELISA kit. *, P < 0.05.