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Meta分析中连续性数据的深度提取方法
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作者刘海宁 吴昊 姚灿 陈玉琢 刘韬韬 摘要:连续性数据的Meta分析需要获得各组数据的样本量、均数、标准差。无法从文献中直接获取均数、标准差时,可对数据进行深度提取。本文介绍8种对数据进行深度提取的方法,并通过2项实例分析示范其应用过程。 Sample size, mean and standard deviation are necessary when conducting meta-analysis for continuous outcomes. Advanced methods of data extraction were needed if the mean and the standard deviation couldn't be obtained from a literature directly. Eight methods were introduced and two examples were given to illustrate how to apply the methods |
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