Methods: Sixty-three patients with 114 breath tests were included.Fifty-one patients received both endoscopic UBT and conventional UBT, the others received conventional UBT only.

• 方法：本研究包括63例受检者的114次尿素呼气法检查，51例接受内视镜及传统碳-13尿素呼气法，其馀12例仅接受传统碳-13尿素呼气法。