Table 5.

Clinical histories, PPD, and TB IgG antibody results of QFT-IT positive patients with confirmed mycobacterial infections^a

Patient no.	Age (yr)	Country of origin	PPD	BCG vaccine	Chest X-ray	TB IgG result	TB IgG interp	History
1	36	U.S.	ND	No	POS	2.141	POS	POS culture TB; pulmonary
2	70	U.S.	NEG	No	POS	1.867	POS	POS ADD; pulmonary
3	22	Mexico	UNK	Yes	POS	1.391	POS	POS smear AFB; pulmonary cavitary lesions on chest X-ray
4	79	U.S.	POS	No	POS	1.282	POS	POS culture M. fortuitum; pulmonary
5	67	U.S.	ND	No	UNK	0.968	POS	POS smear AFB TB bronchitis; exposure to active TB
6	55	India	UNK	UNK	UNK	0.940	POS	POS culture M. gordonae; pulmonary
7	32	UNK	UNK	UNK	UNK	0.886	POS	POS ADD; pulmonary
8	47	Mexico	POS	Yes	UNK	0.565	POS	POS culture TB; POS smear AFB pulmonary
9	43	Mexico	POS	UNK	POS	0.106	NEG	Immune suppressed; S/P renal transplant; abdominal lymph node POS AFB, POS PCR
10	90	U.S.	ND	No	POS	0.086	NEG	POS smear AFB; pulmonary
11	52	U.S.	POS	No	POS	0.085	NEG	POS culture TB POS ADD; pulmonary
12	90	Vietnam	ND	UNK	UNK	0.064	NEG	Ankle aspirate POS smear AFB
13	92	U.S.	NEG	No	POS	0.061	NEG	POS smear AFB POS ADD; pulmonary

^aTB, tuberculosis; ADD, amplified direct detection; POS, positive; NEG, negative; ND, not done; UNK, unknown; AFB, acid-fast bacilli; PPD, purified protein derivative; interp, interpretation; S/P, status post.