Table 3.

Results of the intra-assay and inter-assay testing for clinical specimens

Pig no.	Intra-assay variability		Inter-assay variability
	Mean Cq ± SDa	CV%	Mean Cq ± SD	CV%
1	2.09 ± 0.06	2.68	2.13 ± 0.05	2.11
2	2.98 ± 0.14	4.70	3.04 ± 0.14	4.45
3	4.85 ± 0.02	0.43	4.85 ± 0.16	3.39
4	6.01 ± 0.09	1.45	6.07 ± 0.17	2.72
5	2.75 ± 0.13	4.60	2.76 ± 0.10	3.51

^aLog10 copy number per microliter of PRRSV.