Patient characteristics.

$Two of the children had contained pulmonary TB disease (Ghon focus), 12 had uncontained pulmonary TB and 5 had disseminated TB disease. Of the 12 children with uncontained pulmonary TB, 8 had alveolar opacification with pleural effusion (n = 2) or without effusion (n = 6), 2 had expansile pneumonia (n = 1 with obstruction and collapse), and 2 had bronchopneumonic spread (n = 1 with pleural effusion). Of the 5 children with disseminated disease, 2 had miliary TB, 2 had TB meningitis and miliary TB, and 1 had spinal TB with alveolar opacification.
≠Positive: Nil IFN-γ ≤8.0 IU/ml and TB Ag-Nil ≥0.35 IU/ml and ≥25% of Nil value; Negative: Nil IFN-γ ≤8.0 IU/ml and TB Ag-Nil <0.35 IU/ml and Mitogen-Nil ≥0.5 IU/ml, or Nil IFN-γ ≤8.0 IU/ml and TB Ag-Nil ≥0.35 IU/ml and <25% of Nil value and Mitogen-Nil ≥0.5 IU/ml; Indeterminate: Nil IFN-γ >8.0 IU/ml, or Nil IFN-γ <8.0 IU/ml and TB Ag-Nil <0.35 IU/ml and Mitogen-Nil <0.5 IU/mL, or Nil IFN-γ <8.0 IU/ml and TB Ag-N ≥0.35 IU/ml and <25% of Nil value and Mitogen <0.5 IU/ml.
P-value 1: Number of individuals with variable/outcome and with TB vs number with variable but without TB, P-value 2: Number of individuals with variable and with LTBI vs number with variable and with Active TB.
IQR: Interquartile range.