Table 3

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/TSPOTForeign-born, HIV-seronegative, aged ≥5 YearsForeign-born, HIV-seronegative, aged <5 yearsForeign-born, HIV-seropositive, aged ≥5 yearsUS-born, HIV-seronegative, aged ≥5 yearsUS-born, HIV-seropositive, aged ≥5 years
– – –3778330945891090
– – +861179
– + –162282053
– + +157001210
+ – –1666115105340
+ – +2001051
+ + –31467148
+ + +15689207515
Total79314641407751226
  • −, negative test; +, positive test; FB, foreign born; QFT-IT, QuantiFERON Gold In-Tube; TSPOT, T-SPOT.TB; TST, tuberculin skin test.