A new urea broth-based test to detect Helicobacter pylori presence in upper gastrointestinal biopsies
1996
Abstract The aim of this study was to evaluate the performance of a simple and inexpensive homemade urea test (U-test) to detect Helicobacter pylori in upper digestive tract biopsies. We tested and compared the U-test with three other diagnostic methods: the Clo-test, and culture and pathology in 110 patients randomly chosen at the endoscopy clinic. When using culture and/or pathology as the "gold standard", H. pylori was found to exist in 54 patients. Pathology was positive in 50 cases (92.5%), culture in 49 (90.7%), the U-test in 45 (83.3%), and the Clo-test in 43 (79.6%). With regard to culture pathology, the sensitivities of the U-test and the Clo-test were 83.3% and 79.5%, respectively. Specificity was 100% for both methods. The κ coefficient calculation between the U-test and the Clo-test was 0.98. The results show that the U-test is a reliable, fast, and inexpensive method for detecting H. pylori in upper gastrointestinal biopsies.
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