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我现在用R画META-ANALYSIS里面的FOREST PLOT,但是看了R里面的例子,需要ntrt, nctrl,ptrt,pctrl才能算ODDS RATIO,然后画图,但是有些文章就直接给出了OR,我想问怎么把这些OR也放进FOREST PLOT

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关键词：Odds Ratio Analysis Analysi Forest Analys 文章

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You are doing meta analysis... OR is what you want..
If they do not provide 2X2 information, you can filter out those in your selection criteria.
You dont need to include all the OR you found as some did not provide the enough information.

Using inverse variance method, you need OR and standard errors of OR calculated from 2X2 data. If you really need to use those OR without 2X2 information, and if those OR without 2X2 are not many, then you can impute standard errors from what you have.  

But make sure you have design the systematic review and meta analysis properly. It's not only about pooling the results using fancy statistical methods.