Table 3.

Diagnostic value of IL-33, ADA and peripheral blood T-SPOT.TB in pleural effusion for tuberculous pleurisy

	Cut-off value	Sensitivity (%)	Specificity (%)	AUC (95% CI)
IL-33	155.96 ng/l	49.1	100.0	0.753 (0.637–0.869)
ADA	30.55 U/l	93.0	90.9	0.912 (0.804–1.000)
T-SPOT.TB	25.35 pg/ml	92.3	71.4	0.865 (0.713–1.000)

AUC were 0.753, 0.912, 0.865 respectively for pleural IL-33, pleural ADA and peripheral blood T-SPOT. The sensitivities were 49.1%, 93%, 92.3% with specificity of 100%, 90.9%, 71.4% respectively using the cut-off value of 155.96 ng/l for IL-33, 30.55 U/l for ADA, 25.35 pg/ml for T-SPOT.TB respectively