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Comparisons of the developed cELISA with commercial IDEXX ELISA kit by detecting challenged and clinical pig serum samples
| Samples | cELISA | no. | Commercial ELISA kit |
Agreement (%)a | Kappa valueb | Positive ratec | |
|---|---|---|---|---|---|---|---|
| + | − | ||||||
| Challenged sera | + | 208 (A) | 205 (B) | 3 | 99.2% | 0.98 | |
| − | 173 (C) | 0 | 173 (D) | ||||
| Clinical sera | + | 395 (A) | 391 (B) | 4 | 96.4% | 0.82 | 87.8% |
| − | 55 (C) | 12 | 43 (D) | ||||
a Agreement (%) = (B+D) / (A+C).
b The kappa value > 0.4 was regarded as significant difference.
c Positive rate (%) = A / (A+C).
