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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.