Status of TB patients at diagnosis (all culture-positive) and after 2 and 6 months of anti-TB treatment.

*Of the 24/35 individuals who were smear-positive at 0 months, 15/24 had converted at 2 months. Of 13 individuals followed up at 6 months, 9 were smear-positive at month 0 and all 9 had converted at 6 months.†Of the 28/35 individuals who were TSPOT.TB-positive at 0 months, 3/28 had converted at 2 months. All 13 individuals at month 6 were TSPOT.TB-positive month 0.‡Of the 29/35 individuals who were QFT-GIT-positive at 0 months, 1/29 had converted at 2 months. 11 of the 13 individuals followed up at month 6 were QFT-GIT-positive at month 0. 2/35 individuals had an indeterminate QFT-GIT result at month 0.§Per patient p-values are shown for comparisons of IFN each IGRA for either 2 or 6 months vs. 0 months.Abbreviations: SFC, spot forming colonies; PBMCs, peripheral blood mononuclear cells; IU, international units.