Combinations of test results for participants, by study group (by using the international cut-off of ≥6 spots=positive for TST=T-SPOT.TB
| Test combination, TST/QFT–IT/TSPOT | Foreign-born, HIV-seronegative, aged ≥5 Years | Foreign-born, HIV-seronegative, aged <5 years | Foreign-born, HIV-seropositive, aged ≥5 years | US-born, HIV-seronegative, aged ≥5 years | US-born, HIV-seropositive, aged ≥5 years |
| – – – | 3778 | 330 | 94 | 589 | 1090 |
| – – + | 86 | 1 | 1 | 7 | 9 |
| – + – | 162 | 2 | 8 | 20 | 53 |
| – + + | 157 | 0 | 0 | 12 | 10 |
| + – – | 1666 | 115 | 10 | 53 | 40 |
| + – + | 200 | 1 | 0 | 5 | 1 |
| + + – | 314 | 6 | 7 | 14 | 8 |
| + + + | 1568 | 9 | 20 | 75 | 15 |
| Total | 7931 | 464 | 140 | 775 | 1226 |
−, negative test; +, positive test; FB, foreign born; QFT-IT, QuantiFERON Gold In-Tube; TSPOT, T-SPOT.TB; TST, tuberculin skin test.