Table 3

Results for the chi-squared test and kappa coefficients for the four Map detection methods
HYDEqPCR Faecal culture Milk ELISA
HYDEqPCR
N 141
chi-squared 4.275
P 0.039
Kappa 0.059
Milk qPCR
N 91 91 91
chi-squared 0.289 0.841 0.575
P 0.591 0.359 0.448
Kappa -0.027 0.084 -0.022
Milk ELISA
N 91 91
chi-squared 0.111 5.123
P 0.739 0.024
Kappa 0.002 0.107

n: number of samples.

p ≤0.05 indicates significant association between test results.

Kappa coefficient value of 1.00 indicates perfect agreement and a value of 0.00 indicates that any agreement is no better than chance.

Logar et al.

Logar et al. BMC Veterinary Research 2012 8:49   doi:10.1186/1746-6148-8-49

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