Sensitivity of Quantiferon TB Gold In-Tube test and Tuberculin Skin test in children and adults.

Sensitivity of QFT and TST according to TB status in children and adults, showing low sensitivity of both T-cell based test in children, irrespective of TB classification, compared to adults with confirmed TB.*Sensitivity analysis of QFT excludes indeterminate results.†Difference between sensitivity in QFT and TST tested using two-sample test of proportion.