TABLE 1.

Qualitative QFT-IT results and distribution according to diagnosis

Diagnosis	No. of patients (%)	No. (%) of QFT-IT results determined to be:
		Positive	Negative	Indeterminate
Active TB	45 (8.7)	42 (93.3)	3 (6.7)	0
LTBI	38 (7.4)	34 (89.5)	4 (10.5)	0
TB excluded	159 (30.7)	3 (1.9)	138 (86.8)	18 (11.3)
Exposed	245 (47.4)	0	244 (99.6)	1 (0.4)
Negative controls	30 (5.8)	0	29 (96.7)	1 (3.3)
Total	517	79 (15.3)	418 (80.8)	20 (3.9)