[R-meta] overall efect size from subgroup analysis

[Michael Dewey]

Dear Gerta

I think it means that the mailing software converted the original 
message into plain text as best it can and then deleted the original HTML.

Michael

On 27/04/2021 15:26, Gerta Ruecker wrote:
> Hi
> 
> Am 27.04.2021 um 16:08 schrieb Michael Dewey:
>> Dear Diego
>>
>> [...]
>> Your data is close to unreadable as you posted in HTML and that 
>> becomes mangled. If you need to re-post you have to find a way to send 
>> plain text. I do not use Gmail but I am sure it is possible.
> 
> Yes, it was difficult to read. But, only a question: What then does it 
> mean that it is written at the bottom of Diego's mail "[[alternative 
> HTML version deleted]]"? See below.
> 
> Gerta
> 
>>
>> On 27/04/2021 08:56, Diego Grados Bedoya wrote:
>>> Dear all,
>>>
>>> Several meta-analyses in my field do not report the overall effect 
>>> size of
>>> the intervention. For instance, they report  the subgroup analysis 
>>> (values
>>> as a percentage change for log response ratio):
>>>
>>> subgroup
>>>
>>> CI_lower_limit
>>>
>>> effect_size
>>>
>>> CI_upper_limit
>>>
>>> number_comparisons
>>>
>>> group_1
>>>
>>> -73
>>>
>>> -48
>>>
>>> -12
>>>
>>> 5
>>>
>>> group_2
>>>
>>> -38
>>>
>>> -30
>>>
>>> -21
>>>
>>> 43
>>>
>>> group_3
>>>
>>> -24
>>>
>>> -15
>>>
>>> -6
>>>
>>> 73
>>>
>>> Assuming a random effect model (and considering that the CI of the
>>> subgroups could have been estimated by bootstrapping), I wonder if it is
>>> possible to estimate the overall effect size and the CIs just with this
>>> information?
>>>
>>> Thank you in advance,
>>>
>>> Kind regards,
>>>
>>> Diego
>>>
>>>     [[alternative HTML version deleted]]
>>>
>>> _______________________________________________
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>>> R-sig-meta-analysis using r-project.org
>>> https://stat.ethz.ch/mailman/listinfo/r-sig-meta-analysis
>>>
>>

-- 
Michael
http://www.dewey.myzen.co.uk/home.html