Sensitivity of the QFT-GIT and TST, using different cut-off points, in the groups of PTB patients stratified by province of enrolment.

Footnotes: N1: number of subjects tested; IR: indeterminate results; NR: no return visit for a TST reading; N2: number of subjects with interpretable results; % Sensitivity: percentage of sensitivity, calculated with available QFT-GIT and TST results; 95%CI: Confidence interval. QFT-GIT: QuantiFERON-TB G In-tube; TST: tuberculin skin test; PTB: pulmonary tuberculosis.Sensitivity of the QFT-GIT and TST, using different cut-off points, in the groups of PTB patients stratified by province of enrolment.