单词	meta-analysis
释义	meta-analysis noun meta-anal·​y·​sis ˌme-tə-ə-ˈna-lə-səs  : a quantitative statistical analysis of several separate but similar experiments or studies in order to test the pooled data for statistical significance Word History First Known Use 1976, in the meaning defined above Medical Definition meta-analysis noun meta-anal·​y·​sis ˌmet-ə-ə-ˈnal-ə-səs  : quantitative statistical analysis that is applied to separate but similar experiments of different and usually independent researchers and that involves pooling the data and using the pooled data to test the effectiveness of the results the report … on low cholesterol presented a comprehensive meta-analysis of 32 randomized studies involving 42,000 individuals Scientific American Medicine Bulletin
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