Performance of Tuberculin Skin Test Measured against Interferon Gamma Release Assay as Reference Standard in Children

<table>Specificity of different tuberculin skin test thresholds for detection of <i>M. tuberculosis </i>infection with (diamonds) and without (bullets) previous BCG immunisation with IGRA as a reference standard (each dots represents the result of one study).</table>

Tuberculosis Research and Treatment

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Figure 5

Figure 5: Performance of Tuberculin Skin Test Measured against Interferon Gamma Release Assay as Reference Standard in Children 