TB | Non-TB | Probable TB | Total | |
T-SPOT.®TB positive | 31 | 6 | 3 | 40 |
QFT-TB-GIT positive | 20 | 3 | 2 | 25 |
T-SPOT.®TB negative | 5 | 9 | 1 | 15 |
QFT-TB-GIT negative | 15 | 12 | 4 | 31 |
T-SPOT.®TB indeterminate | 3 | 2 | 1 | 6 |
QFT-TB-GIT indeterminate | 1 | 3 | 0 | 4 |
Data are presented as n. TB: tuberculosis; QFT-TB-GIT: QuantiFERON®-TB Gold In-tube assay. The T-SPOT.®TB assay and QFT-TB-GIT were manufactured by Oxford Immunotec, Abingdon, UK and Cellestis, Carnegie, Australia, respectively. #: n = 61; ¶: n = 60.