Table 3.

The performance of PF T-SPOT assay and routine tests in the diagnosis of plTB.

	Sensitivity (%)	Specificity (%)
AFS	11.02	100
Xpert	33.07	100
Mtb culture	37.80	100
Xpert and Mtb culture	41.73	100
PF T-SPOT	89.76	96.70
L% in PF (>50%)	78.74	57.14
ADA level in PF (>30 IU/L)	59.06	91.21

PF, pleural fluid; plTB, pleural tuberculosis; AFS, acid-fast stain; L%, the percentage of lymphocyte.