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Figure 3 | BMC Gastroenterology

Figure 3

From: 13C-Urea breath test threshold calculation and evaluation for the detection of Helicobacter pylori infection in children

Figure 3

Sensitivity and Specificity of the 13 C UBT by measured Δδ values Sensitivity (continuous lines) and specificity (broken lines) by Δδ values for samples with histological validation (panel A) and in UBTs alone (panel B). In panel A, discrete steps are due to discrete original data. In panel B, the continuous functions derived from the BM analysis are shown.

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