TABLE 2.
Medians and interquartile ranges of QFT-IT IFN-γ quantitative values in QFT-IT tubes according to diagnosis
| Diagnosis | Median (IQR) QFT-IT IFN-γ quantitative values (IU/ml) in: |
||
|---|---|---|---|
| Nil | TB Ag-nil | Mitogen-nil | |
| Active TB | 0.27 (0.13–0.42) | 6.63 (1.19–10) | 10 (6.35–10) |
| LTBI | 0.12 (0.07–0.17) | 3.39 (0.49–10) | 10 (10–10) |
| TB excluded | 0.09 (0.05–0.17) | 0 (0–0.03) | 10 (2.90–10) |
| Exposed | 0.09 (0.06–0.16) | 0.01 (0–0.04) | 10 (7.35–10) |
| Negative controls | 0.06 (0.05–0.08) | 0 (0–0.01) | 10 (7.85–10) |
| Pa | <0.0001 | 0.0001 | 0.0023 |
aKruskal-Wallis P values.