Agreement between QuantiFERON®-TB Gold In-Tube and the tuberculin skin test and predictors of positive test results in Warao Amerindian pediatric tuberculosis contacts

Table 4 Demographics and test results for the five contacts who progressed to active tuberculosis during follow-up

Age, yr	Sex	BCG	Malnourished*	Duration contact (h/day)	TB diagnosis	Time point diagnosis	QFT-GIT				TST				Chest X-ray
							Inclusion		TB diagnosis		Inclusion		TB diagnosis		Inclusion	TB diagnosis
							Result	IU/ml	Result	IU/ml	Result	mm	Result	mm	Inclusion	TB diagnosis
0 (6 mo)	F	Yes	Yes	<12	Probable	6 mo	Nd		Ind	−23.123	Neg	0	Neg	2	Segmental calcifications	Segmental calcifications, Ghon focus with cavitation, lymph node disease with tracheal compression
1	M	Yes	Yes	<12	Possible	6 mo	Neg	0.024	Neg	0.012	Pos	10	Nd		Segmental parenchymal destruction paracardial region right lung	Segmental parenchymal destruction paracardial region right lung, bilateral parenchymal infiltrates lower lobes
1	M	Yes	Yes	≥12	Probable	12 mo	Neg	0.012	Neg	0.000	Neg	0	Neg	0	No abnormalities	Alveolar consolidation right upper lobe
6	M	Yes	No	<12	Possible	6 mo	Pos	3.045	Neg	0.133	Pos	10	Nd		No abnormalities	Lobar alveolar consolidation right middle lobe
11	M	Yes	No	<12	Probable	6 mo	Pos	2.701	Pos	3.394	Pos	10	Nd		Segmental calcifications	Segmental calcifications, right hilar lymph node enlargement, alveolar consolidation left upper lobe

yr = years, mo = months, h = hours, F = Female, M = Male, BCG = Bacille Calmette - Guérin, TB = Tuberculosis, QFT-GIT = QuantiFERON^®-TB Gold In-Tube assay, TST = Tuberculin skin test, Nd = Not done, Ind = Indeterminate, Pos = Positive, Neg = Negative.
*Reflects nutritional status upon inclusion.

ISSN: 1471-2334