Table 1

Baseline characteristics of the studies

AuthorYear of publicationYear of studyCountryDesignDiseaseNAge (years)Gender (male)BCG
MeanMedian (range)
Won20172015South KoreaCohortATB3663.973 (15–86)15
LTBI1555.152 (36–75)8
Wu20172015ChinaCohortATB255122–851817
LTBI36487–761231
Jeong20152010South KoreaRCTATB3330 (20–63)1921
LTBI2044 (22–60)418
Clifford20192012AustraliaRCTATB3828 (25–44)1922
LTBI4326 (24–31)2133
Kim20152010South KoreaRCTATB2832.121–6989
LTBI2246.522–69421
Wang20182009ChinaCohortATB284626–551617
LTBI344315–621525
Pathakumari20152010IndiaRCTATB3919–6025
LTBI3521–5822
Hur20162013South KoreaRCTATB524326–6029
LTBI314538–5220
Zhang20172012ChinaRCTATB263724–5023
LTBI453428–4014
La Manna20182013ItaliaRCTATB2717–8221
LTBI3217–8424
You20162012South KoreaRCTATB4052.736.3–69.131
LTBI4063.749.5–77.927
Suzukawa20162010JapanRCTATB313721–4818
LTBI294223–5512
Yao20172016ChinaCohortATB2029 (16–67)118
LTBI1538 (20–67)815
Wang20122009ChinaRCTATB6645 (16–86)3952
LTBI7341 (18–83)3554
  • ATB, active tuberculosis; BCG, Bacillus Calmette-Guerin; LTBI, latent tuberculosis infection; RCT, randomised controlled trial.