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中文摘要：
目的探讨CAT量表与6min步行距离（6MWD）及肺功能指标之间的相关性。方法横断面调查稳定期COPD患者104例，进行CAT评分、6min步行实验和肺功能的检查。结果稳定期COPD患者的CAT评分为（17．4±7．3）分；CAT评分与肺功能指标及6min步行距离间的相关性差异有显著意义（P〈0．05）；CAT评分的分级法与6MWD分级在评估轻度、中度COPD患者的病情时符合率较高。结论CAT量表对于总体评价COPD对患者的影响是可靠的；对评价COPD患者病情相对较重（重度及极重度）时，CAT评分和6min步行实验都能进行有效评估。
英文摘要：
Objective To investigate the relationship between 6-minute-walk distance（6 MWD）and the pulmonary function and CAT scale. Method A cross-sectional survey among 104 cases of COPD patients at stable stage were enrolled. All participants were examined with CAT score, 6-minute-walk test and pulmonary function test. Result The CAT score was （17.4±7.3）, and the associations between CAT score, the pulmonary function and 6MWD were significant different （P〈0.05）. Mild and moderate patients with COPD had high coincidence rate between CAT scale and 6MWD scale. Conclusion The CAT scale is reliable for the assessment of the quality of life. The CAT scale or 6-minute-walk test is suitable to evaluate serious and extreme serious patients with COPD.
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