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MiR-451对癌症诊断价值的Meta分析 被引量:2

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摘要 目的评价Mi R-451在癌症诊断中的价值。方法检索Pubmed,Elsevier外文数据库以及中国知网、维普、万方等中文数据库2015年10月之前发表的Mi R-451用于诊断癌症的相关文献;采用Meta Disc 1.4软件对统计数据进行分析,通过计算合并敏感度、特异度、阳性似然比、阴性似然比和诊断比值比以及受试者工作特征曲线(s ROC曲线)等指标综合分析评价Mi R-451对癌症的诊断价值;采用stata 12.0软件分析纳入的参考文献是否存在发表偏倚。结果收集文献123篇,其中8篇参考文献纳入研究,样本量为927例,其中病例组557例,对照组370例。异质性检验显示纳入研究的文献有异质性,采用随机效应模型计算合并灵敏度为0.831,合并特异度为0.865,合并PLR为4.971,合并NLR为0.191。合并DOR为29.671。SROC曲线显示AUC为0.9151,Q指数为0.8478。亚组分析显示。盲法合并敏感度为0.768,合并特异度为0.848,合并PLR为4.242,合并NLR为0.296,AUC为0.8633。非盲法组合并敏感度为0.945,合并特异度为0.9898,合并PLR为7.914,合并NLR为0.075,AUC为0.9770。绘制漏斗图提示已有的研究存在发表偏倚的可能性小。结论 Mi R-451诊断癌症有较高的灵敏度和特异度,可作为一项潜在的筛查生物标记物用于辅助诊断癌症。
出处 《江西医药》 CAS 2016年第7期722-725,共4页 Jiangxi Medical Journal
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参考文献19

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