Table 2

The CT value and coefficient variation (CV) inter-assay of five samples

Samples

CT value

Result of inter-assay


1

2

3

4

5

6

7

8

9

Mean

SDs

CVs (%)


HCLV

21.50

21.77

21.19

20.10

20.23

20.14

20.27

20.67

20.03

20.88

1.024

4.91

JL5/99

23.45

24.51

24.59

23.05

23.52

23.41

23.54

24.20

23.21

23.72

0.565

2.38

HeBHH1/95

21.16

23.23

21.55

21.45

21.91

21.81

21.28

21.99

20.04

21.05

0.940

4.26

USA-331

16.41

17.85

17.07

15.94

16.31

16.16

15.85

16.10

15.69

16.38

0.682

4.16

GDGZ1/95

21.71

21.13

21.30

20.68

21.09

20.97

20.45

20.64

20.23

21.13

0.746

3.53


9 repeats assay performed at different times but under the same conditions

SD = standard deviation

CV = coefficient of variation

Liu et al. Virology Journal 2011 8:201   doi:10.1186/1743-422X-8-201

Open Data