Comparisons of Th cells in tuberculous pleural effusion (TPE) and blood stimulated with PMA+ionomycin or tuberculosis antigens^*.

*Values are presented as mean ± SEM, n = 14. †p<0.01 compared with the corresponding blood with the same stimulation determined by Wilcoxon signed-rank test. ‡p<0.01 compared with the corresponding compartments stimulated by tuberculosis antigens determined by Wilcoxon signed-rank test.