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Metafor: Moderator variables for each study arm

Faiz Ahmad Khan 
Hello,

I am trying to do a meta-analysis where each study has two arms, similar to the BCG data set. However, follow-up duration was different for each study arm, so I would like to fit a model that uses the length of follow-up in each arm as a moderator. Is this possible?

For example, if this was the BCG data, each study would have 2 follow up variables: 1 for the treatment group, and 1 for the control
group. 

thanks for the help,
Faiz

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Thread (2 messages)

Faiz Ahmad Khan Metafor: Moderator variables for each study arm Feb 20 Viechtbauer Wolfgang (STAT) Metafor: Moderator variables for each study arm Feb 21