Figure 2From: Contribution of Interferon gamma release assays testing to the diagnosis of latent tuberculosis infection in HIV-infected patients: A comparison of QuantiFERON-TB Gold In Tube, T-SPOT.TB and tuberculin skin test Flow chart illustrating early and final diagnosis of latent tuberculosis (TB) infection (LTBI) in 302 HIV-infected patients with no past or current TB nor treated for LTBI when adding QuantiFERON-TB Gold (QFG) and T-SPOT.TB to tuberculin skin test (TST). Back to article page