中国循证医学杂志

中国循证医学杂志

诊断准确性试验 Meta 分析四格表数据的提取方法

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诊断试验 Meta 分析需要获取纳入诊断性试验的真阳性、假阳性、假阴性、真阴性的受试者例数。当原始文献无法直接获得这些指标,又无法取得原始数据时,可对数据进行深度提取。本文介绍 3 种对诊断试验的数据进行深度提取的方法,并通过实例分析展示操作过程。

Receiving the amount of true positives, false positives, false negatives and true negatives is necessary when conducting meta-analysis of diagnostic tests. Advanced methods of data extraction are required if these data could not be directly obtained from a literature. We introduced three methods and discussed the theories. An example was then given to illustrate how to apply the methods.

关键词: Meta 分析; 诊断准确性试验; 循证医学; 数据提取

Key words: Meta-analysis; Diagnostic accuracy study; Evidence-based medicine; Data extraction

引用本文: 刘海宁, 吴昊, 张宁萍, 李煜, 曾于珍, 沈锡中, 刘韬韬. 诊断准确性试验 Meta 分析四格表数据的提取方法. 中国循证医学杂志, 2018, 18(9): 995-1000. doi: 10.7507/1672-2531.201805153 复制

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