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. Author manuscript; available in PMC: 2010 Oct 8.
Published in final edited form as: Ann Intern Med. 2008 Jun 30;149(3):177–184. doi: 10.7326/0003-4819-149-3-200808050-00241

Figure 1. Forest plot of studies estimating sensitivity of interferon-γ–release assays in patients with active tuberculosis as a surrogate for latent tuberculous infection.

Figure 1

Point estimates for sensitivity and 95% CIs are shown along with pooled estimates. Top. QuantiFERON-TB Gold (16 studies). Middle. QuantiFERON-TB Gold In-Tube (6 studies). Bottom. T-SPOT.TB (13 studies).