Dear all, I would be very grateful for your advice. I am currently working on a meta-analysis of studies reporting RRs.
This is the code that I'm using:
gen lnrr = ln(rr)
gen lnlci = ln(lci)
gen lnuci = ln(uci)
metan lnrr lnlci lnuci, eform effect(RR) lcols(study year)
Is this valid for RR (or HR) summary effect estimates? Is this the fixed-effects model using the Mantel-Haenszel method?
I read somewhere that you can only use a fixed-effects model when working with precalculated effect estimates - is this true? A random effect model seems more appropriate given the level of heterogeneity between the studies that I'm looking at.
Many thanks in advance!
Dearbhla
This is the code that I'm using:
gen lnrr = ln(rr)
gen lnlci = ln(lci)
gen lnuci = ln(uci)
metan lnrr lnlci lnuci, eform effect(RR) lcols(study year)
Is this valid for RR (or HR) summary effect estimates? Is this the fixed-effects model using the Mantel-Haenszel method?
I read somewhere that you can only use a fixed-effects model when working with precalculated effect estimates - is this true? A random effect model seems more appropriate given the level of heterogeneity between the studies that I'm looking at.
Many thanks in advance!
Dearbhla
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