Diagnostic values of the single test or combined test for active tuberculosis assessed in the PTB patients and healthy community controls.

Footnotes: PTB: pulmonary tuberculosis; SM: smear microscopy; QFT: QuantiFERON-TB G In-tube; TST: tuberculin skin test (cut-off point); % Sensitivity: percentage of positive, calculated with available SM, QFT-GIT and TST results; 95% CI: Confidence interval; % Specificity: percentage of negative, calculated with available SM, QFT and TST results; PPV: positive predictive value; NPV: negative predictive value; LR1, likelihood ratio for a positive test; LR2, likelihood ratio for a negative test.Diagnostic values of the single test or combined test for active tuberculosis assessed in the PTB patients and healthy community controls.