Table 4.

Final model of predictors of indeterminate compared to positive IGRA results using multinomial regression

Patient factor	Indeterminate vs positive IFN-γ response
	Odds ratio	95% CI	P value
HIV infected	2.55	1.17–5.53	0.018
Presence of a BCG scar	3.02	1.48–6.16	0.002
Lived in Khayelitsha for >1 yr	0.29	0.10–0.82	0.020