TABLE 1.

Skin test and IFN-γ responses to mycobacterial antigens in healthy controls and in patients with disease due to M. tuberculosis or to MAC

Subject	Skin test result (mm)		IFN-γ response (ODI)
	PPD	MAS	PPD	MAS	rESAT-6a
Controls (n = 8)
1	0	0	1.1	1.5	1.0
2	0	0	3.0	8.9	1.1
3	0	0	14.3	1.1	1.4
4	0	0	5.0	1.2	1.1
5	0	0	2.3	1.0	1.1
6	0	0	1.4	1.0	1.1
7	0	0	2.9	1.0	1.0
8	0	0	1.0	1.0	1.1
Mean			3.9	2.1	1.1
Patients with MAC pulmonary  disease (n = 8)
1	4	21	1.7	2.8	1.0
2	0	13	2.7	7.9	1.0
3	0	17	8.6	13.9	1.0
4	0	14	1.2	1.4	1.0
5	0	0	1.1	1.4	1.0
6	0	0	1.1	1.2	.9
7	5	18	1.5	1.0	.9
8	1	10	1.2	2.2	1.0
Mean			2.4	4.0	1.0
Patients with M. tuberculosis  pulmonary disease (n = 27)
1	0	0	4.5	5.2	1.0
2	19	13	4.3	2.8	1.0
3	22	23	8.3	2.9	4.5
4	26	25	8.7	5.9	2.0
5	30	25	2.5	2.2	.9
6	18	18	1.6	1.2	1.1
7	22	20	10.3	10.6	8.8
8	16	20	9.2	9.1	8.4
9	18	14	4.7	5.7	1.3
10	24	26	5.5	3.7	2.3
11	24	23	14.9	13.1	2.1
12	25	19	6.3	4.9	3.4
13	23	15	9.1	9.0	8.1
14	19	24	14.0	13.8	1.1
15	24	17	16.1	12.9	9.7
16	20	15	17.9	18.6	18.3
17	21	19	24.7	26.2	1.9
18	18	35	7.1	3.8	1.1
19	23	27	11.9	13.4	1.1
20	64	34	13.6	10.7	11.4
21	70	60	11.3	12.1	13.1
22	30	15	16.3	17.5	16.9
23	68	35	3.9	3.6	3.1
24	12	0	1.0	1.0	1.0
25	56	21	2.1	2.1	1.6
26	27	26	1.1	1.4	1.0
27	43	21	1.6	3.1	2.6
Mean			8.6	8.0	4.8

^arESAT-6, recombinant ESAT-6.