BMC Veterinary Research

Table 4 Repeatability of the c-ELISA

From: Development of a monoclonal antibody-based competitive enzyme-linked immunosorbent assay for detection of antibodies against duck adenovirus 3

Sera samples	Intra-batch			Inter-batch
Sera samples	X^a (%)	SD^b (%)	CV^c (%)	X (%)	SD (%)	CV (%)
Strong positive 1	84.98	1.17	1.38	88.82	0.62	0.7
Strong positive 2	83.54	1.51	1.81	87.11	0.8	0.9
Weak positive	64.89	2.41	3.71	90.96	0.58	0.64
Negative 1	11.51	0.65	5.65	1.37	0.09	6.57
Negative 2	0	0	0	0	0	0
Negative 3	0	0	0	0	0	0

^a X means mean PI value; ^b SD means standard deviation; ^c CV means coefficient of variation

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ISSN: 1746-6148

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