Degree of agreement between results of IgG tests.

Degrees of agreement between results of BNITM IgG IFA, EUROIMMUN IgG IIFT, BLACKBOX IgG ELISA, EUROIMMUN IgG ELISA and VectorBest IgG ELISA results based on serum samples from healthy blood donors and CCHFV patients with respect to phase of infection. Cohen’s κ is listed for every comparison. Dark green cells correspond to an almost perfect and perfect agreement, bright green cells correspond to a substantial agreement, pale green cells correspond to a moderate agreement and white cells correspond to a slight or fair agreement.