Table 2 In vitro responses to M. tuberculosis antigens in the study group populations.
From: New tools for detecting latent tuberculosis infection: evaluation of RD1-specific long-term response
In vitro response to: | Â | Controls N (%) | TST+, suspected LTBI N (%) | Cured TB N (%) |
|---|---|---|---|---|
| Â | Â | 13 (100) | 106 (100) | 29 (100) |
QFT-IT | Â | Â | Â | Â |
| Â | Positive N.(%) | 0 | 70 (66.03) | 19 (63.3) |
|  | IFN-γ (IU/ml) median (IQR) Among all | 0 (0-0.1) | 2.3 (0-15.1) | 1.1 (0.1-4.2) |
|  | IFN-γ (IU/ml) median (IQR) Among the positive responders | NA | 8.1 (2.4-22.6) | 3.8 (1.5-5.0) |
RD1 proteins | Â | Â | Â | Â |
| Â | Positive N.(%) | 0 | 64 (60.3) | 19 (65.5) |
|  | IFN-γ (IU/ml) median (IQR) Among all | 0 (0-0.2) | 1.4 (0.2-8.9) | 1.6 (0.4-2.9) |
|  | IFN-γ (IU/ml) median (IQR) Among the positive responders | NA | 7.6 (2.3-20.3) | 2.6 (1.6-6.2) |