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Table 2 Comparative statistics of HCV antibody status by ELISA and RIBA

From: Characterization of differential antibody production against hepatitis C virus in different HCV infection status

 

Groups tested, n

 

HCW

Presumably uninfected

p

Presumably uninfected

Chronic

p

HCW

Chronic

p

ELISA

         

 negative

0

5

 

5

0

 

0

0

 

 indeterminate

0

39

 

39

0

 

0

0

 

 positive

77

12

 

12

34

 

77

34

 

RIBA

         

 negative

19

4

 

4

1

 

19

1

 

 indeterminate

3

23

<0.001

23

2

<0.001

3

2

0.044

 positive

55

29

 

29

31

 

55

31

 

ELISA + RIBA

         

 true positive

55

27

 

27

31

 

55

31

0.022

 false positive

22

5

<0.001

5

3

<0.001

22

3

 indeterminate

0

19

 

19

0

 

0

0

 

 false negative

0

5

 

5

0

 

0

0

 
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Virology Journal

ISSN: 1743-422X