[R] question including crossover trials in meta-analysis

Belgers, V. (Vera) v@be|ger@ @end|ng |rom @m@terd@mumc@n|
Tue Sep 15 08:59:04 CEST 2020

Dear mr. Schwartz and mw Gunter,
Thank you both for your reply. I did google but did not find these sources, so thank you.
With kind regards,
Vera Belgers
Van: Bert Gunter <bgunter.4567 using gmail.com>
Verzonden: maandag 14 september 2020 21:14
Aan: Belgers, V. (Vera) <v.belgers using amsterdamumc.nl>
CC: r-help using R-project.org <r-help using r-project.org>
Onderwerp: Re: [R] question including crossover trials in meta-analysis

Did you first try a web search? -- you should always do this before posting here.

"meta-analysis in R" brought up this:


Have you looked at this task view yet?

Bert Gunter

"The trouble with having an open mind is that people keep coming along and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Mon, Sep 14, 2020 at 11:50 AM Belgers, V. (Vera) <v.belgers using amsterdamumc.nl<mailto:v.belgers using amsterdamumc.nl>> wrote:
Dear sir/madam,
Thank you in advance for taking the time to read my question. I am currently trying to conduct a meta-analysis combining parallel and crossover trials. According to the Cochrane Handbook, I can include crossover trials by using t-paired statistics. So far, I have managed to conduct a meta-analysis and forest plot of the parallel trials using the dmetar package, but I did not succeed in including the crossover trials. I do have the raw data of most of these crossover trials.
Does anybody know how to add crossover trials to the meta-analysis?
With kind regards,
Vera Belgers
VUmc disclaimer : www.vumc.nl/disclaimer<http://www.vumc.nl/disclaimer>
AMC disclaimer : www.amc.nl/disclaimer<http://www.amc.nl/disclaimer>

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