Comparison of the QFT-GIT and TST results in the groups of PTB patients stratified by sputum smear microscopy grade.

Footnotes: QFT-GIT: QuantiFERON-TB G In-tube; TST: tuberculin skin test; PTB: pulmonary tuberculosis; % Sensitivity: percentage of sensitivity, calculated with available QFT-GIT and TST results; 95%CI: Confidence interval; P: smear-positive with varying grade (+ to ++++).one patient with indeterminate QFT-GIT results4 patients with no return visits for TST readings1 patient with no return visit for a TST reading3 patients with no return visits for TST readings5 patients with no return visits for TST readings4 patients with no return visits for TST readingsComparison of the QFT-GIT and TST results in the groups of PTB patients stratified by sputum smear microscopy grade.