目的：对我国医院检验科干化学检验项目的参考区间进行调查和分析，并与现行和即将发布的卫生行业标准进行比较，全面了解我国医院检验科干化学检验项目的参考区间应用情况。方法采用基于Web方式的室间质量评价（EQA）软件系统收集参加2014年全国干化学和常规化学参考区间调查的实验室上报数据，利用单样本t检验等统计方法对数据进行分析。结果有83.3%（30/36）的项目参考区间上、下限与卫生行业标准存在差异（P<0.05）。有83.3%（20/24）的项目男、女性参考区间上、下限与卫生行业标准存在差异（P<0.05）。有73.6%（53/72）的项目按检测系统分组得出的参考区间上、下限与卫生行业标准存在差异（P<0.05）。结论我国干化学检验项目目前应用的参考区间与卫生行业标准存在一定的差异，建议建立中国人群干化学检验项目的参考区间。%Objective To investigate the current application status of reference intervals for dry chemistry items in China,and compare with current health industry standards and draft for approval. Methods By Web-based external quality assessment(EQA) software system,the submitted data from the laboratories, which attended national reference interval investigation for dry chemistry and routine chemistry,2014,were collected. Statistical methods,such as single-sample t determination,were used to analyze the data. Results A total of 83.3%(30/36) of reference interval upper and lower limits had differences compared with those from health industry standards (P<0.05),and 83.3%(20/24)of male and female reference interval upper and lower limits had significantly statistical differences compared with those from health industry standards(P<0.05). The 73.6%(53/72)of measurement system reference interval upper and lower limits had significantly statistical differences compared with those from health industry standards(P<0.05). Conclusions The reference intervals for dry chemistry items in China have overwhelmingly big differences compared with health industry standards. It is proposed that the reference intervals for dry chemistry items in China should be established for Chinese population.
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