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Table 2 Difference in Ct-values between intra- and inter- laboratory runs

From: Validation of intra- and inter-laboratory reproducibility of the Xpert HPV assay according to the international guidelines for cervical cancer screening

 

N

AVG

Range

MIN

MAX

AML run 1 versus AML run 2

 FC 1

30

1.1

0.1

3.2

 FC 2

22

0.9

0.1

3.8

 FC 3

64

1.4

0.1

8.6

 FC 4

29

1.0

0.1

3.7

 FC 5

42

1.3

0.2

4.8

AML run 1 versus Ghent run

 FC 1

31

1.2

0.1

3.3

 FC 2

21

1.3

0.1

3.9

 FC 3

63

1.3

0.1

6.7

 FC 4

29

1.3

0.1

7.1

 FC 5

40

1.3

0.1

4.2

AML run 2 versus Ghent run

 FC 1

27

1.2

0.1

3.7

 FC 2

23

1.2

0.1

5.0

 FC 3

65

1.2

0.1

8.4

 FC 4

29

1.2

0.1

6.1

 FC 5

43

1.3

0.1

6.0

  1. FC Fluorescent channel, N Number of samples, AVG Average, MAX maximum, MIN minimum