TABLE 2.

Positivity rate of anti-TBGL antibody in each group

Group	No. of subjects			Sensitivity (%)	Specificity (%)
	Total	Positivea	Negative
Active pulmonary tuberculosis	318	258	60	81.1
Smear positive, culture positive	164	147	17	89.6
Smear negative, culture positive	52	36	16	69.6
Smear negative, culture negative	102	75	27	73.5
Nontuberculous mycobacteriosis	111	88	23	79.3
Old tuberculosis	58	15	43		74.1
Other respiratory disease	180	27	158		85.0
Nonrespiratory disease	156	24	132		84.6
Older healthy subjects	198	34	164		82.8
Younger healthy subjects	256	11	245		95.7

^aCutoff value was set at 2.0 U/ml.