Table 3 Diagnosis of Mtb infection by culture method and QFTGIT at cut-off value recommended by the manufacturer in HIV-seropositive study participants (n = 26)
| Â | Â | Culture method | Diagnostic performance | ||
|---|---|---|---|---|---|
QFTGIT/cut-off value (IU/ml) | Â | Number of positive | Number of negative | Sensitivity(%) | Specificity(%) |
≥ 0.35* | Number of positive | 5 | 10 | 83.3 | 50.0 |
| Â | Number of negative | 1 | 10 | Â | Â |