Fig. 1From: Prevalence of latent tuberculosis infection and feasibility of TB preventive therapy among Thai prisoners: a cross-sectional studyParticipants with discordant QFTP+/TST- had lower IFN- γ production as compared with concordant positive QFTP+/TST+. QFTP; QuantiFERON-TB Gold Plus, TST; Tuberculin skin testBack to article page