Summary of the number of patients recruited, assay-specific inconclusive IGRA results, and the final number of participants used in the analysis
| Diagnostic category and total number recruited* | Inconclusive results | Final number used for outcome analysis | ||
| T-SPOT.TB, n (%) | QFT-GIT, n (%) | T-SPOT.TB | QFT-GIT | |
| Definite TB (n = 24) | 6 (25) | 4 (17) | 18 | 18† |
| Probable TB (n = 11) | 6 (45) | 3 (17) | 5 | 7† |
| Definite and probable TB (n = 35) | 12 (34) | 7 (23) | 23 | 25† |
| Non-TB (n = 48) | 16 (33) | 27 (56) | 32 | 21 |
| Total* (n = 83) | 28 (34) | 34 (41) | 55 | 46† |
*Two patients with an uncertain diagnosis were excluded from the table.
†Tests not performed (definite TB = 2; probable TB = 1; definite and probable TB = 3; total = 3).
IRGA, interferon γ release assay; QFT-GIT, QuantiFERON-TB Gold-In-Tube; TB, tuberculosis.