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. 2016 Dec 14;6:38963. doi: 10.1038/srep38963

Table 3. The demographic characteristics of the study populations.

Study cohort n Median age in years (range) Gender (M/F) TST test IGRA
HC 32 23(19–32) 17/15 0/32 0/32
ATB 31 26(19–35) 13/18 31/31 31/31

TST, Tuber-Culin Skin Test; IGRA, Interferon-Gamma release assays; HC: healthy control; ATB: active pulmonary tuberculosis.