The Clinical Observation of ^14C-Urea Breath Test for Diagnosing Helicobacterpylori Infection

The aim of this study is to evaluate the diagnostic value of ^14C-UBT for diagnosis of HP infection. The positive predictive values were above 100 bpm/mmol CO2. 202 of 256 patients with HP-positive infection were detected (sensitivity, 78%), what's more, breath test and RUT corresponded well. 256 patients diagnosed were investigated, aged 17-81 years (average 44.25 years). HP positive rate was 96.5% in 113 patients with peptic ulcer disease (PUD), 91.7% in 60 patients with chronic active gastritis, 73.3% in 15 patients with GERD,