Table 2.

Comparison of pleural effusion Xpert MTB/RIF combined with pleural effusion T-SPOT test and four separate tests (%) (cases).

Tst method	Sensitivity	Specificity	Positive expected value	Negative expected value
Pleural effusion T-SPOT.TB	97.37 (74/76)	77.78 (28/36)	90.24 (74/82)	93.33 (28/30)
Peripheral blood T-SPOT.TB	76.32 (58/76)	55.56 (20/36)	78.39 (58/74)	52.63 (20/38)
Pleural effusion B/Rif	65.79 (50/76)	100.00 (36/36)	100.00 (50/50)	58.06 (36/62)
Pleural effusion ADA	28.95 (22/76)	50.00 (18/36)	55.00 (22/40)	25.00 (18/72)
Pleural effusion tot combined with pleural effusion Xpert TB/Rif	64.47 (49/76)	100.00 (36/36)	100.00 (49/49)	75.00 (36/18)