Porcine Health Management

Table 3 Agreement and correlation between the results of the PRRSV Ab ELISAs tested

From: Performance of ELISAs for detection of antibodies against porcine respiratory and reproductive syndrome virus in serum of pigs after PRRSV type 2 live vaccination and challenge

		IDEXX			Agreement (κ)	Correlation coefficient
		Positive	Negative	Sum	Agreement (κ)	Correlation coefficient
INgezim	Positive	112	8	120	0.89	0.90
INgezim	Negative	0	50	50	0.89	0.90
QIAGEN	Positive	110	6	116	0.89	0.90
QIAGEN	Negative	2	52	54	0.89	0.90
AJ	Positive	103	3	106	0.85	0.85
AJ	Negative	9	55	64	0.85	0.85
Sum		112	58	170
			AJ
HIPRA	Positive	89	0	89	0.80	0.81
	Negative	17	64	81	0.80	0.81
QIAGEN	Positive	105	11	116	0.85	0.85
	Negative	1	53	54	0.85	0.85
Sum		106	64	170
			INgezim
QIAGEN	Positive	116	0	116	0.95	0.95
QIAGEN	Negative	4	50	54	0.95	0.95
AJ	Positive	106	0	106	0.82	0.83
AJ	Negative	14	50	64	0.82	0.83
Sum		120	50	170

Results of groups V and N included, Correlation coefficient after Spearman given

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ISSN: 2055-5660

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