Evaluation of the performance of the IFN-γ release assay in bovine tuberculosis free herds from five European countries

Table 4 Agreement between the results obtained in Bovigam and IDvet IFN-γ kit at default cut-off points

		IDvet (S/P ≥ 35%)
		Negative	Positive	Total
Bovigam (OD_bovis–OD_PBS ≥ 0.1 and OD_bovis–OD_avium ≥ 0.1)	Negative	3861	15	3876
Bovigam (OD_bovis–OD_PBS ≥ 0.1 and OD_bovis–OD_avium ≥ 0.1)	Positive	123	300	423
	Total	3984	315	4299

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