Table 2.

IL-1β, IL-2, IL-6, TNF-α, PAI-1, and t-PA levels in the patients with tuberculous empyema treated by closed drainage and operation.

	IL-1β (ng/mL)	IL-2 (pg/mL)	IL-6 (ng/mL)	TNF-α (pg/mL)	PAI-1 (ng/mL)	t-PA (ng/mL)
Closed drainage (n = 23)	0.4347	336.93	110.55	108.83	1.6467	0.1726
Operation (n = 15)	1.0757	276.55	91.11	65.14	2.1308	0.1126
Z	−1.9263	−1.3588	−1.8044	−1.2394	−2.8376	−02.365
P	0.0270	0.1742	0.0356	0.2152	0.0045	0.017