Table 2. The diagnostic power of IL-31 of pleural fluid in tuberculous and malignant pleural effusion.

	IL-31 ≥ 67.5 pg/mL	IL-31 < 67.5 pg/mL	Sensitivity	Specificity
TPE (n = 50)	43	7	86.0%	100.0%
MPE (n = 41)	0	41	100.0%	86.0%

TPE: Tuberculous pleural effusion, MPE: Malignant pleural effusion.