Results Recurrent abdominal pain was relieved in all of patients.Fifty-five patients (91.7%) showed 13C-UBT negative in Group A and 42 (93.3%) presented negative in Group B.

• 治疗A组幽门螺杆菌转阴55例，根除率91.；7%25，治疗B组幽门螺杆菌转阴42例，根除率93