目的系统性评价左氧氟沙星和质子泵抑制剂(PPI)三联疗法治疗幽门螺杆菌(HP)的疗效和不良反应发生率。

Objective To systematically assess the effectiveness and adverse reaction rates of levofloxacin PPI triple therapy in the treatment of Helicobacter pylori (HP).

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目的：对质子泵抑制剂三联与铋剂三联抗幽门螺杆菌根治率进行比较及对两类方法做经济评价。

Objective: to compare cure rates and to do economic evaluation of using PPI triple regimen and Bismuth based triple therapy for anti HP.

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