Table 2– T-SPOT®.TB (Oxford Immunotec, Oxford, UK) results in groups 1 and 2

	Group 1	Group 2 at T0	p-value^#	Group 2 at T1	p-value^¶	p-value⁺
Subjects	24	27		27
T.SPOT®.TB
Positive	16 (66.7)	26 (96.3)	0.003	23 (85.2)	0.184	0.250
Indeterminate	1 (4.2)	1 (3.7)		0 (0)
ESAT-6
Positive	13 (56.5)	25 (96.2)	0.001	17 (63.0)	0.643	0.008
Median (IQR)	7 (0–17)	20.5 (13.8–41.8)	0.001	9 (3–32)	0.457	0.003
CFP-10
Positive	13 (56.5)	25 (96.2)	0.001	22 (81.5)	0.055	0.250
Median (IQR)	18 (0–50)	41.0 (23.2–76.0)	0.015	25 (9–59)	0.364	0.020

Data are presented as n or n (%), unless otherwise stated. ESAT-6: 6-kDa early secretory antigenic target; IQR: interquartile range; CFP: culture filtrate protein. ^#: group 1 versus group 2 at T0; ^¶: group 1 versus group 2 at T1; ⁺: group 2 at T0 versus group 2 at T1.