The overall occurrence of warning symptoms in this group was 53.5% ( 108/ 202), and 27.8% in those less than 45 years old. Melena, anemia, progressive dysphagia and continuous or recurrent vomiting were relatively common.

  • 有报警症状者108例(53.5%),其中45岁以下者的报警症状发生率为27.8%,黑便、贫血、进行性吞咽困难和持续或反复呕吐是较特异的报警症状。

  • 互联网摘选 2025-01-20 18:47:58

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