Comparing QuantiFERON-tuberculosis gold, T-SPOT tuberculosis and tuberculin skin test in HIV-infected individuals from a low prevalence tuberculosis country

Objective:To evaluate the interferon-γ-releasing assays QuantiFERON-tuberculosis (TB) Gold and T-SPOT.TB in addition to tuberculin skin test (TST) for diagnosis of latent tuberculosis infection in HIV patients.Design, setting and participants:Prospective cross-sectional study for asymptomatic HIV-in