Tuberculin skin test and Quantiferon test agreement and influencing factors in tuberculosis screening of healthcare workers: a systematic review and meta-analysis

Table 2 Comparison of TST and QFT results in healthcare workers from different studies

First author	Sample size (n)	TST+ (n)	QFT+ (n)	TST+/QFT+ (n)	TST+/QFT- (n)	TST-/QFT+ (n)	TST-/QFT- (n)
Zwerling et al., 2012 [45]	387^a	22	24	7	15	17	348
Khoury et al., 2011 [40]	611	50	12	8	42	4	557
Fox et al., 2009 [30]	91^a	31	17	9	22	8	52
Vinton et al., 2009 [29]	341^a	114	21	16	98	5	222
Larcher et al., 2012 [46]	549	160	81	57	103	24	365
Nienhaus et al., 2008^b [25]	261	63	25	15	48	10	188
Soborg et al., 2007^b [23]	139	47	2	2	45	0	92
Girardi et al., 2009 [31]	115	61	40	36	25	4	50
Freeman et al., 2012^b [47]	317^a	67	28	19	48	9	241
Tripodi et al., 2009 [32]	148	97	51	23	74	5	46
Alvarez-Leon et al., 2009 [33]	123^a	9	8	5	4	3	111
Casas et al., 2009 [34]	145^a	101	43	42	59	1	43
Talebi-Taher et al., 2011 [41]	200	105	17	14	91	3	92
Hotta et al., 2007^b [24]	202^a	120	3	3	117	0	82
Topic et al., 2009 [35]	54	34	17	15	19	2	18
Ozdemir et al., 2010^b [38]	76	41	65	39	2	26	9
Torres Costa et al., 2011 [42]	2,884	2,102	953	850	1252	103	679
Rafiza et al., 2011 [43]	95a	56	13	11	45	2	37
Choi et al., 2008 [26]	80	36	16	13	23	3	41
Lee et al., 2009 [36]	196	93	28	22	71	6	97
Lee et al., 2010 [39]	82	31	19	10	21	9	42
Moon et al., 2011 [44]	156^a	52	32	18	34	14	90
Jung et al., 2012 [48]	153	23	8	6	17	2	128
Jo et al., 2013 [50]	493	181	85	54	127	31	281
Whitaker et al., 2013 [51]	260^a	145	112	90	55	22	93
Mirtskhulava et al., 2008 [27]	265	177	159	133	44	26	62
Lien et al., 2009 [37]	255^a	163	135	114	49	21	71
Pai et al., 2008 [28]	719	298	288	226	72	62	359
He et al., 2012 [49]	917	439	638	350	89	288	190
Total	10,314	4,918	2,940	2,207	2,711	710	4,686

^awe consider only subjects with both TST and QFT results, excluding undeterminate quantiferon results.
^bStudies not included in the meta-analysis.

ISSN: 1745-6673