Table 3 Contingency tables with Cohen’s kappa (κ) values (95% CI) for paired serum and meat juice samples analysed on the ArrayStrip platform. Samples originate from 87 pigs slaughtered in 3 German abattoirs between October 2016 and January 2017
T. gondii | ||||
 κ = 0.92 (CI: 0.75–1) | ArrayStrip meat juice |  | ||
| Â | Â | positive | negative | total |
 ArrayStrip serum | positive | 6 | 0 | 6 |
negative | 1 | 80 | 81 | |
|  | total | 7 | 80 | n = 87 |
Y. enterocoliticaYop O:3 | ||||
 κ = 0.82 (CI: 0.7–0.94) | ArrayStrip meat juice |  | ||
| Â | Â | positive | negative | total |
 ArrayStrip serum | positive | 40 | 0 | 40 |
negative | 8 | 39 | 37 | |
|  | total | 48 | 39 | n = 87 |