How to assess publication bias for a meta analysis in the most easy way? I only use RevMan. Is there an online website that can help?

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Ronán Michael Conroy

You should read the excellent materials on the RevMan pages on Cochrane. A ten second search, for example, came up with this : https://training.cochrane.org/resource/identifying-publication-bias-meta-analyses-continuous-outcomes

Sébastien Buczinski

I think the publication bias assessment analysis is not present by default in RevMan (at least previous version). The best way would be to use another software (ex R software (ex: metafor package from Viechtbauer, SAS or STATA).

Telksew Yelma

Publication bias was checked by the funnel

plot and more objectively through Egger’s regression test