Table 3.

Summary of quantitative IGRA antigen responses stratified by BCG scar status

IFN-γ response	Median quantitative response (pg/ml [IQR])
	No BCG scar			With BCG scar
	ESAT-6	CFP-10	FPa	ESAT-6	CFP-10	FP
Indeterminate	0 (0–330)	0 (0–115)	0 (0–0)	0 (0–165)	0 (0–9)	0 (0–579)
Negative	72 (0–189)	0 (0–56)	62 (0–133)	0	0	0
Positive	260 (863–5,085)	1,189 (304–3,579)	1,968 (576–4,819)	1,106 (0–3,005)	722 (148–2,536)	1,808 (642–4,049)

^aFP, fusion protein.