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Table 2 Comparison of different methods in the diagnosis of H. pylori infection

From: A comparison of techniques to address the frequency of Helicobacter pylori positive dyspeptic patient

Test Gold standard Sensitivity Specificity Positive predictive value (%) Negative predictive value (%) Accuracy (%)
Positive Negative
Histology 21 69 80.9 94.2 80.90 94 91.10
Rapid Urease Test (RUT) 34 56 82.3 87.5 80.00 86 85.50
Serology (IgG ELISA) 66 24 89.3 54.1 84.20 65.00 80
Stool antigen test (HpSAg) 39 51 53.8 88.2 78 71 73.30