The test should be used for the detection of H. pylori IgG antibodies in whole blood, serum or plasma samples only. Neither the quantitative value nor the rate of increase in H. pylori antibody concentration can be determined by this qualitative test.
CLO-“Campylobacter-like organism” (rapid urease test) PPV-positive predictive value NPV-negative predictive value UBT- urea breath test. Table 2. Comparison of 13C urea blood test and the 13C urea breath test (Meretek) for the diagnosis of H. pylori infection.