Table 2 The percentage of seropositive serum samples (n = 180) for M. bovis infections in two duplicate runs of the ID Screen® ELISA (using a cut-off for the S/P coefficient ≥ 60% as suggested by the manufacturer together with the kit) and the BIO K302 ELISA (using a cut-off for the S/P coefficient > 37% as suggested by the manufacturer together with the kit) at the six laboratories participating in the ring trial
ID Screen® ELISA | BIO K302 ELISA | |||||
|---|---|---|---|---|---|---|
Lab no. | Duplicate 1 (%) | Duplicate 2 (%) | Mean of the two duplicates (%) | Duplicate 1 (%) | Duplicate 2 (%) | Mean of the two duplicates (%) |
1 | 43.3 | 43.3 | 43.3 | 20.6 | 20.6 | 20.6 |
2 | 45.0 | 44.4 | 45.0 | 54.4 | 65.6 | 61.1 |
3 | 42.2 | 43.3 | 42.8 | 38.9 | 26.7 | 32.8 |
4 | 46.1 | 45.0 | 45.6 | 23.9 | 23.3 | 23.3 |
5 | 43.3 | 43.3 | 43.3 | 16.1 | 16.1 | 16.7 |
6 | 42.8 | 42.2 | 42.8 | 19.4 | 20.0 | 20.0 |
All | 43.8 | 43.6 | 43.8 | 28.9 | 28.7 | 29.1 |