Table 2 Agreement between results of the five ELISA kits on sera from candidate blood donors
Pair of ELISA kits | % agreement | Cohen’s k (p-value) |
|---|---|---|
BioRad vs. Dia.Pro | 94.4 | 0.875 |
(< 0.0001) | ||
BioRad vs. Euroimmun | 88.9 | 0.7647 |
(< 0.0001) | ||
Dia.Pro vs. Euroimmun | 86.1 | 0.7073 |
(< 0.0001) | ||
BioRad vs. DRG | 77.1 | 0.4928 |
− 0.0018 | ||
Dia.Pro vs. DRG | 74.3 | 0.4395 |
− 0.0022 | ||
DRG vs. Euroimmun | 68.8 | 0.3905 |
− 0.0078 | ||
Euroimmun vs. Novatec | 50.0 | 0.2202 |
− 0.0078 | ||
DRG vs. Novatec | 48.6 | 0.2115 |
− 0.0098 | ||
BioRad vs. Novatec | 47.2 | 0.1972 |
− 0.0108 | ||
Dia.Pro vs. Novatec | 41.7 | 0.1572 |
− 0.0234 |