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Table 1 Kappa coefficient values and concordance percentages for comparing the LSI kit to MVD kits, LSI kit to ID vet kit and ID vet kit to MVD kit using all data from the 6 time points; pre-vaccination, 14 days post vaccination, 35 days post vaccination, pre-challenge, 35 days post challenge and 3 weeks post lambing

From: Comparison of three commercial serological tests for the detection of Chlamydia abortus infection in ewes

 

MVD ELISA

ID VET

LSI ELISA

Kappa (κ) = 0.5887% concordance = 78.9

Kappa (κ) = 0.6842% concordance = 80.7

MVD ELISA

 

Kappa (κ) = 0.7012% concordance = 80.7