Table 1—

Results of QuantiFERON®-TB Gold (QFT-G), QuantiFERON®-TB Gold in-tube (QFT-GIT) and tuberculin skin tests (TST) at initial screening and at time of re-testing

M/F 29/222/74/622/414/46/4
Age yrs 10.5±4.44.6±3.83.2±3.78.9±6.39.2±4.22.5±1.8
Immigrants from high prevalence countries 14201110
BCG vaccinated 15311410
Results at initial screening 5191063810
Results after 8–11 weeks 531166696
TST mm at initial screening 1.7±4.38.0±4.30.3±0.91.1±3.98.5±6.40
TST mm after 8–11 weeks 1.7±4.3ND0.6±1.31.4±3.9ND0
TST ≥5 mm at initial screening 780560
TST ≥5 mm after 8–11 weeks 8ND07ND0
  • Data presented as n and mean±sd. M: male; F: female; BCG: bacille Calmette–Guerin; ND: not done.