Table 4 Discordant between TST at the cut-off points ≥ 5 mm of skin indurations and QFTGIT at a cut-off point ≥ 0.35 IU/ml level of IFN-γ
QFTGIT | TST | Â | Â |
|---|---|---|---|
|  | Positive (≥ 5 mm) | Negative (<5 mm) | Anergy (0 mm) |
Positive ( ≥ 0.35 IU/ml) | 207 | 20 | 99 |
Negative (< 0.35 IU/ml) | 38 | 6 | 130 |
Indeterminate | 2 | 0 | 3 |