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Table 2 TB antigen response (corrected for Nil control) in those with positive first QFT result

From: Quantiferon Gold-in-tube assay for TB screening in HIV infected children: influence of quantitative values

 

QFT −1 (IU/mL)

Repeat (IU/mL)

QFT −2 (IU/mL)

Repeat (IU/mL)

QFT −3 (IU/mL)

Repeat (IU/mL)

TST (mm)

1

3.71

9.68

5.41

5.52

  

0

2

2.88

4.1

5.28

5.27

  

0

3

>10

>10

0.31

0.38

−0.02

0.01

0

4

2.23

1.98

−0.03

−0.01

0.02

0

0

5

1.64

1.19

0.08

−0.03

0.08

0.09

0

6

1.07

1.21

0.92

0.94

0.42

0.25

0

7

0.92

1.16

0.29

0.21

0.38

0.37

0

8

0.7

0.9

0.03

0.28

0.03

0.06

0

9

0.53

0.53

0.23

0.14

0.8

0.87

0

10

0.51

0.42

0.04

0

0.02

0.09

0

11

0.43

0.76

0.14

0.11

−0.04

0

0

12

0.42

0.46

0.06

0.02

0.03

0

0

13

0.39

0.59

0.07

0

0.01

0.01

13

14

0.36

0.36

0.04

−0.02

−0.01

0.01

0

15

0.45

Transitioned to adult care (no repeat testing)

0

  1. Positive QFT result > 0.35 IU/mL.