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Receiver operating characteristic curves of the clinical model (solid), including the baseline clinical evidence (cough duration, fever, failure to thrive/weight loss, lethargy, history of tuberculosis exposure, and hepatomegaly), and the investigational model (dashed), considering baseline clinical evidence, baseline chest radiographic findings, and Xpert MTB/RIF findings from respiratory specimens collected at baseline. Horizontal dashed line indicates a sensitivity of 90%.
