Table 1. Subject Characteristics.

GroupsCharacteristics	HD	LTBL	LTBH	TB	TP	CA
Total No.	50	35	33	39	21	14
Sex and Age
Female	25	15	11	13	8	9
Male	25	20	22	26	13	5
Age	33.5±20	40.7±7	46.1±6	38.5±13	34.0±13.3	56.5±13.8
TST	<5 mm	≥5 mm	≥20 mm; blister	Variable	Variable	–
SFCs	0∼5	30∼80	110∼400	110∼400	30∼400	–

Definition of abbreviations: HD  =  healthy donors; LTB_L  =  patients with latent tuberculosis and 30∼80 SFCs; LTB_H  =  patients with latent tuberculosis and 110∼400 SFCs; TB  =  pulmonary tuberculosis patients; TP =  patients with tuberculosis pleurisy; CA  =  pulmonary cancer patients; Total No.  =  total number of participants in each group; TST  =  tuberculin skin test; SFCs  =  Mycobacterium tuberculosis (M.tb)-specific IFN-γ spot-forming cells.

The total number of recruited participants in each group included separated samples for microarray analysis and further validation.