Table 1.

Background characteristics of enrolled studies

Author/year	Country	Types of TB	Type of article	Nature of study	Adult	IGRA	TB patients	All patients
Aabye 2009	Tanzania	AT	FA	Retro	Adult	QFT-GIT	161	161
Adams 2019	South Africa	LTBI	FA	Retro	Adult	Q&T	496	496
Cai 2014	China	AT	FA	Retro	Adult	T-SPOT	100	100
Cattamanchi 2010	USA	AT	FA	pros	Adult	T-SPOT	112	212
Chee 2008	Singapore	AT	FA	retro	Adult	Q&T	280	280
Chen 2011	China	AT	FA	pros	Adult	T-SPOT	38	147
Clark 2007	UK	AT	FA	pros	Adult	T-SPOT	30	30
Davies 2009	South Africa	AT	FA	pros	Children	T-SPOT	60	109
Dheda 2009	South Africa	AT	FA	pros	Adult	Q&T	20	20
Elzi 2011	Switzerland	LTBI	FA	pros	Adult	T-SPOT	64	64
Fujita 2011	Japan	AT	FA	pros	Adult	QFT-GIT	9	107
Garcia-Gasalla 2013	Spain	AT	FA	pros	Adult	QFT-GIT	118	118
Hormi 2018	France	AT	FA	pros	Children	QFT-GIT	24	24
Idh 2010	Sweden	AT	FA	pros	Adult	QFT-GIT	69	69
Jiang 2009	China	AT&LTBI	FA	pros	Adult	T-SPOT	100	100
Jonnalagadda 2013	USA	AT	FA	retro	Adult(W)	T-SPOT	9	9
Kabeer 2011	India	AT	FA	pros	Adult	QFT-GIT	105	105
Kaswandani 2018	Indonesia	TB	CA	retro	Children	QFT-GIT	10	10
Khawcharoenporn 2015	Thailand	LTBI	FA	pros	Adult	QFT-GIT	36	36
Klautau 2018	Brazil	LTBI	FA	retro	Adult	QFT-GIT	84	84
Kussen 2016	Brazil	LTBI	FA	pros	Adult	QFT-GIT	25	25
LaCourse 2017	USA	AT	FA	pros	Adult (W)	QFT-GIT	100	100
Lavender 2011	UK	AT	CA	retro	Adult	QFT-GIT	66	326
Lee 2019	Korea	TB	FA	pros	Adult	T-SPOT	25	62
Legesse 2010	Ethiopia	AT	FA	pros	Adult	QFT-GIT	50	50
Leidl 2010	Uganda	AT	FA	retro	Adult	Q&T	19	19
ling 2011	Canada	AT	FA	pros	Adult	Q&T	127	127
Lundtoft 2017	Ghana	AT	FA	pros	Children	QFT-GIT	25	25
Markova 2009	Bulgaria	AT	FA	pros	Adult	Q&T	13	90
Oni 2010	UK	AT	FA	pros	Adult	T-SPOT	85	85
Petruccioli 2020	Italy	AT	FA	pros	Adult	QFT-plus	32	32
Pettit 2020	USA	LTBI	FA	pros	All	Q&T	81	1520
Raby 2008	Zambia	AT	FA	pros	Adult	QFT-GIT	96	96
Rangaka 2012	South Africa	LTBI	FA	pros	Adult	QFT-GIT	50	50
Sanogo 2020	Burkina	AT	FA	pros	Children	QFT-GIT	29	58
Sattah 2012	USA	AT	CA	retro	Adult	T-SPOT	9	9
Sauzullo 2010	Italy	AT	FA	pros	Adult	QFT-GIT	30	194
Sauzullo 2014	Italy	AT	FA	pros	Adult	QFT-GIT	44	44
Stavri 2009	Romania	AT	FA	pros	All	QFT-GIT	36	36
Takwoingi 2019	UK	AT	FA	retro	Adult	Q&T	385	911
Tsiouris 2006	South Africa	AT	FA	pros	Adult	QFT-GIT	36	36
Vanini 2012	Italy	AT	FA	pros	Adult	QFT-GIT	58	58
Veldsman 2009	South Africa	AT	FA	pros	Adult	QFT-GIT	30	60
Vincenti 2007	India	AT	FA	pros	Adult	Q&T	45	111
Yu 2013	China	AT	FA	pros	Adult	T-SPOT	46	120

TB tuberculosis disease, AT active TB; LTBI latent tuberculosis infection; IGRA interferon-gamma release assay, QFT-GIT QuantiFERON-TB-Gold In-Tube, T-SPOT T-SPOT.TB, Q&T QuantiFERON-TB-Gold In-Tube and T-SPOT.TB