Table 4 Results of the QuantiFERON®-TB Gold assay in peripheral blood (n = 29) and pleural fluid (n = 32)
Total TB | Confirmed TB | Probable TB | Non-TB | |
|---|---|---|---|---|
QFT-TB positive test | ||||
Peripheral blood | 17/24 (71%) | 7/12 (58%) | 10/12 (83%) | 0/5 (0%) |
Pleural fluid | 12/27 (44%) | 3/11 (27%) | 9/16 (56%) | 0/5 (0%) |
QFT-TB negative test | ||||
Peripheral blood | 1/24 (4.2%) | 1/12 (8.3%) | 0/12 (0%) | 5/5 (100%) |
Pleural fluid | 1/27 (3.7%) | 0/11 (0%) | 1/16 (6.3%) | 3/5 (60%) |
QFT-TB indeterminate test | ||||
Peripheral blood | 6/24 (25%) | 4/12 (33%) | 2/12 (17%) | 0/5 (0%) |
Pleural fluid | 14/27 (52%) | 8/11 (71%) | 6/16 (38%) | 2/5 (40%) |