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AIM: To evaluate the reliability of the Helicobacter pylori stool antigen test, ImmunoCard STAT HpSA, for detecting H pylori infection.METHODS: Stool specimens were collected from 53 patients who received upper endoscopy examination due to gastrointestinal symptoms. ImmunoCard STAT HpSA wasused to detect H pylori stool antigens. H pyloriinfection wasdetected based on three different tests: the urease test, Warthin-Starry staining and culture. H pylori status wasdefined as positive when both the urease test and histology or culture alone was positive.RESULTS: Sensitivity, specificity, positive predictive and negative predictive values and the total accuracy of ImmunoCard STAT HpSA for the diagnosis of H pylorinfection were 92.6% (25/27), 88.5% (23/26), 89.3% (25/28), 92%(23/25) and 90.6% (48/53), respectively.CONCLUSION: The stool antigen test, ImmunoCard STAT HpSA, is a simple noninvasive and accurate test for the diagnosis of H pyloriinfection.