Table 3.

Concordance and agreement between TST, T-SPOT.TB and QFN-G-IT results according BCG vaccination status*

	TST vs T-SPOT.TB		TST vs QFN-G-IT		T-SPOT.TB vs QFN-G-IT
	Concordance (%)	κ (SE**)	Concordance (%)	κ (SE)	Concordance (%)	κ (SE)
HIV-positive
Overall	59/73 (80.8)	0.019 (0.123)	65/73 (89)	0.373 (0.173)	65/73 (89)	0.275 (0.184)
BCG	4/8 (50)	-***	4/8 (50)	-***	8/8 (100)	-***
Non-BCG	55/65 (84.6)	0.085 (0.154)	61/65 (93.8)	0.567 (0.194)	57/65 (87.7)	0.268 (0.186)

* Indeterminate IFN-γ assays results were not included in the analysis.

** standard deviation

***κ value is not possible to calculate because of T-SPOT.TB and QFN-G-IT results are one constant variable.