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. 2022 May 18;84(7):905–913. doi: 10.1292/jvms.22-0099

Table 2. Kappa coefficient values of different rNluc-fused Toxoplasma gondii antigens in Luciferase-linked Antibody Capture Assay (LACA) compared to Dye-Test as “gold standard” using pig serum samples.

		Dye-Test		Kappa value	95% CI
		Positive	Negative	Kappa value	95% CI
GRA6-LACA	Positive	13	25	0.230	0.044 to 0.417
GRA6-LACA	Negative	8	53	0.230	0.044 to 0.417

GRA7-LACA	Positive	10	7	0.415	0.192 to 0.638
GRA7-LACA	Negative	11	71	0.415	0.192 to 0.638

GRA8-LACA	Positive	17	24	0.372	0.199 to 0.545
GRA8-LACA	Negative	4	54	0.372	0.199 to 0.545

BAG1-LACA	Positive	4	11	0.055	–0.151 to 0.261
BAG1-LACA	Negative	17	67	0.055	–0.151 to 0.261

Cocktail LACA	Positive	21	7	0.811	0.679 to 0.944
Cocktail LACA	Negative	0	71	0.811	0.679 to 0.944

Commercial ELISA	Positive	2	6	0.024	–0.155 to 0.203
Commercial ELISA	Negative	19	72	0.024	–0.155 to 0.203

	Total	21	78

CI, confidence interval.