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Figure 2 | BMC Gastroenterology

Figure 2

From: Accuracy of endoscopic diagnosis of Helicobacter pyloriinfection according to level of endoscopic experience and the effect of training

Figure 2

Comparison of diagnostic yield of H. pylori infection status in two beginner endoscopists before and after training. Diagnostic yield of Beginner 1 (A) and Beginner 2 (B). †P-values are statistically significant at <0.05. Analysis performed using Mcnemer’s test. Error bar represents the 95% CI of diagnostic yield. Abbreviations: HP, H. pylori; PPV, positive predictive value.

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