“…These differences might affect the sensitivity of each serological kit, as demonstrated by previous studies. 24,26 Although the diagnostic value of the UBT has been previously reported, [28][29][30][31][32] this test is very expensive and time-consuming. Therefore, the UBT should be used for the confirmation of successful eradication therapy, 8,10,44,48 while it seems not to be adequate for mass surveys for H. pylori infection in large numbers of subjects.…”