Figure 2From: Latent Tuberculosis in HIV positive, diagnosed by the M. Tuberculosis Specific Interferon-γ testStudy Flow Diagram for 607 HIV positive patients screened with the QFT- IT test. TB risk factors implies: prior TB diagnosis, history of TB exposure, history of long-term residency in a TB high endemic country (>25 cases per 100.000/year).Back to article page