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Figure 2 | BMC Gastroenterology

Figure 2

From: Additional corpus biopsy enhances the detection of Helicobacter pylori infection in a background of gastritis with atrophy

Figure 2

Diagnostic tests for Helicobacter pylori detection: Group A, definitely positive (n=103); Group B, probably positive (n=1); Group C, probably negative (n=0); Group D, past H. pylori infection or false positive (n=2); Group E, definitely negative (n=58); CLO, indicates rapid urease test on biopsy specimens; Histology, refers to H. pylori positive based on modified Giemsa staining; Active gastritis, refers to presence or absence of active gastritis (an indirect sign of active H. pylori infection).

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