Table 1 Pearson’s correlarion coefficient (r), bias-corretion factor (Cb), concordance correlation coefficient (rb = r x Cb), reduced major axis slope and intercept estimates for each pairwise comparison of sample-to-positve ratios between CHEKIT Q Fever Antibody ELISA kit (IDEXX), ELISA kits - PrioCHECK™ Ruminant Q fever Ab Plate Kit (Thermo Fisher) and ID Screen® Q Fever Indirect Multi-species (IDvet)
Pairwise comparisons | Pearson’s correlarion coefficient (r) | Bias-correction factor (Cb) | Concordance correlation coefficient (rb = r x Cb) | Regression slope | Regression intercept |
|---|---|---|---|---|---|
IDEXX vs. Thermo Fisher | 0.883 | 0.871 | 0.769 | 0.594 | −0.030 |
IDvet vs. Thermo Fisher | 0.969 | 0.957 | 0.927 | 1.021 | 0.056 |
IDEXX vs. IDvet | 0.844 | 0.776 | 0.654 | 0.582 | −0.062 |