[R-meta] Choice of MA

[Jorge Teixeira]

Hi all. I am doing a SRMA in which most outcomes have just 4 or 5 studies.
One of them has 4 arms (3 with the intervention of interest; 1 with CON).


Questions:


1) Would you combine these 3 groups into one and do a standard MA or would
you do a multi-level MA? Note: I have access to the database of the study
with 4 arms.


2) Side question: would you tend to not report funnel plots or Egger’s
regression in this case?


3) If I broaden my eligibility criteria and had 2 more studies, would your
answers differ?


Thank you,

JT

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