Figure 2

Comparison between the cohort of active tuberculosis and the cohort of LTBI or HC in study group I.
(A) The analytic data of using each index to compare the cohorts of TB and HC or LTBI. (B) The ROC analysis of each index to distinguish TB from HC or LTBI. The three formulas below were used for examining the diagnostic performance for discriminating active tuberculosis from LTBI or HC. ***P < 0.0001.