Skip to main content
. 2018 Nov 19;13(11):e0207892. doi: 10.1371/journal.pone.0207892

Table 3. QFT-P assay positivity based on antigen tube.

  Positive if ≥0.35 IU/mL Positive if ≥0.70 IU/mL
  Positive Results TB1 only TB2 only TB1 and TB2 Positive Results TB1 only TB2 only TB1 and TB2
  n n (%) n (%) n (%) n n (%) n (%) n (%)
QFT-PD 35 7 (20.0) 7 (20.0) 21 (60.0) 25 7 (28.0) 5 (20.0) 13 (52.0)
QFT-PT 51 5 (9.8) 19 (37.3) 27 (52.9) 26 4 (15.4) 8 (30.8) 14 (53.8)

Positivity based on background (nil IFN-γ measure) corrected values.