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在欧洲除了癌症以外，消化性溃疡一直是胃肠疾病中引起死亡最常见的原因。许多死亡者是老年人，且与消化性溃疡出血有关。虽然出血的急性或死亡率已经遂渐下降。然而长期预后还不肯定，尤其是与出血后应用抗溃疡药物及非类固醇抗炎药物（NSAIDS）治疗的关系未确定。在本研究中
In addition to cancer in Europe, peptic ulcer disease has been the most common cause of death in gastrointestinal diseases. Many are elderly people, and are associated with peptic ulcer bleeding. Although the acute or fatal bleeding rate has gradually decreased. However, the long-term prognosis remains uncertain, especially the relationship with anti-ulcer drugs and non-steroidal anti-inflammatory drugs (NSAIDS) after bleeding. In our current research