Underlined text indicates results from the study from Ghana, which combined the West African 1 and 2 data.
Italic text indicates results from the study from The Gambia, which only identified West African 2.
CI, confidence interval; ESAT-6, early secreted antigen- 6 kDa; IS6110 RFLP, insertion sequence 6110 restriction fragment length polymorphisms; MTB, M. tuberculosis.