Table 4. Contingency table for the level of agreement between rRT-PCR and RT-iiPCR assays for the detection of duck hepatitis A virus in clinical sample.

		Sequencing results
		Positive	Negative	Total
rRT-PCR	Positive	50	0	50
	Negative	1	9	10
	Total	51	9	60
		Sequencing results
		Positive	Negative	Total
RT-iiPCR	Positive	51	0	51
	Negative	0	9	9
	Total	51	9	60
		rRT-PCR
		Positive	Negative	Total
RT-iiPCR	Positive	50	1	51
	Negative	0	9	9
	Total	50	10	60