目的：本研究通过对支气管扩张症生活质量问卷表（QoL-B）的信度、效度检测来评价该问卷，判断QoL-B对于支气管扩张症患者生命质量评价的优劣。方法：对符合条件的支气管扩张症患者入院后进行QoL-B及圣乔治呼吸问卷（SGRQ）调查，采集基本信息及病史，并且于2周、2个月后回访再测QoL-B。信度检测内部一致性信度及再测信度，效度检测QoL-B得分与症状相关性及与SGRQ相关性，敏感度检测患者急性加重期与稳定期的差别。结果：141例患者中36例患者接受再测信度检测，31例患者接受敏感度检测，QoL-B的内部一致性高，再测信度高。所有的项目与SGRQ的相关性高，与呼吸系统症状明显相关。结论：QoL-B问卷表现出良好的信度、效度，两周后的再测信度高，对于患者急性加重的检测敏感度高。

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