Failure to detect Xenotropic murine leukaemia virus-related virus in Chinese patients with chronic fatigue syndrome

Table 3 Reproducibility of the real-time PCR/RT-PCR assay

Reproducibility	XMRV DNA/RNA (copies/μl/IU/ml)	Number of determinations	Mean Ct (DNA/RNA)	SD (DNA/RNA)	CV(%) (DNA/RNA)
within-run	10⁵	10	24.47/25.13	0.50/0.52	2.03/2.06
	10⁴	10	27.25/27.99	0.48/0.48	1.76/1.70
	10²	10	33.81/34.62	0.94/0.90	2.80/2.59
between-run	10⁵	10	24.97/26.17	0.28/0.32	1.14/1.23
	10⁴	10	27.98/29.14	0.30/0.31	1.07/1.06
	10²	10	34.43/35.94	0.88/0.99	2.56/2.74

ISSN: 1743-422X