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The sensitivity of whole-blood interferon-gamma release assays to detect or predict active tuberculosis in individuals infected with human immunodeficiency virus type 1 (HIV-1) has as yet not been determined. Methods. In this prospective, longitudinal, single-center study, 830 HIV-1-infected patients underwent testing with the QuantiFERON-TB Gold In-Tube (QFT-GIT) assay. Clinical screening for active tuberculosis was performed at least every 3 months for a median follow-up time of 19 months.

Detection and Prediction of Active Tuberculosis Disease by a Whole‐Blood Interferon‐γ Release Assay in HIV‐1–Infected Individuals