BMC Veterinary Research

Table 5 Cohen’s kappa (κ) values (95% CI) for serum and meat juice analysis on the ArrayStrip platform in 3 laboratories (A, B, C)

From: Use of meat juice and blood serum with a miniaturised protein microarray assay to develop a multi-parameter IgG screening test with high sample throughput potential for slaughtering pigs

ArrayStrip serum		A	B	C
Lab.	Antigen	n ¹	κ (95% CI)	κ (95% CI)
A	T. gondii		0.94 (0.83–1)	0.73 (0.47–0.98)
	Y. enterocolitica	x	0.68 (0.53–0.82)	0.79 (0.66–0-91)
	M. hyopneumoniae		0.02 (−0.02–0.06)	0.43 (0.25–0.6)
B	T. gondii	n = 94		0.64 (0.35–0.93)
	Y. enterocolitica	n = 94	x	0.63 (0.47–0.79)
	M. hyopneumoniae	n = 93		0.03 (− 0.03–0.1)
C	T. gondii	n = 94	n = 95
	Y. enterocolitica	n = 94	n = 95	x
	M. hyopneumoniae	n = 93	n = 95
ArrayStrip meat juice		A	B	C
Lab.	Antigen	n ¹	κ (95% CI)	κ (95% CI)
A	T. gondii		0.81 (0.63–0-99)	0.85 (0.69–1)
	Y. enterocolitica	x	0.93 (0.86–1)	0.75 (0.62–0.88)
	APP		−0.02 (−0.06–0.02)	0.05 (− 0.07–0.16)
B	T. gondii	n = 94		0.84 (0.66–1)
	Y. enterocolitica	n = 94	x	0.75 (0.62–0.88)
	APP	n = 93		−0.03 (− 0.06–0)
C	T. gondii	n = 95	n = 94
	Y. enterocolitica	n = 95	n = 94	x
	APP	n = 94	n = 94

¹n = Number of valid microarray results considered in the comparison between the laboratories

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ISSN: 1746-6148

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