Figure 1From: In-house nucleic acid amplification tests for the detection of Mycobacterium tuberculosis in sputum specimens: meta-analysis and meta-regressionSummary Receiver Operative Curve (SROC) for all studies. Each solid circle represents each study in the meta-analysis. The regression line summarizes the overall diagnostic accuracy. Area under the curve (AUC) = 0.97.Back to article page