[R-meta] Different methods and measures of measurement of continuous variables

[Martin Lobo]

and then the difference of standardized means when it would be used, I didn't think it was for these cases,
 greetings.





Lorenzo Martín Lobo MTSAC, FACC, FESC
Especialista Jerarquizado en Cardiología
Jefe de Dpto Enf. Cardiovasculares y Cardiometabolismo Hospital Militar Campo de Mayo.
Jefe de Cardiología Hospital Militar Campo de Mayo
Ex Jefe de Unidad Coronaria Hospital Militar Campo de Mayo
Miembro Titular de la Sociedad Argentina de Cardiología
Fellow American College of Cardiology
Fellow European Society of Cardiology
Ex Miembro del Area de Investigación de la SAC
Ex Director del Consejo de Aterosclerosis y Trombosis de la SAC
Miembro Asesor del Consejo de Aterosclerosis y Trombosis de la SAC
Ex Director del Consejo de Epidemiología y Prevención Cardiovascular de la SAC

Miembro Asesor del Consejo de Epidemiología y Prevención Cardiovascular de la SAC


Experto en Lipidos de la Sociedad Argentina de Lipidos.
Miembro de la Sociedad Argentina de Lipidos.
Instructor de ACLS de la American Heart Association


________________________________
De: Michael Dewey <lists using dewey.myzen.co.uk>
Enviado: sábado, 18 de junio de 2022 13:57
Para: Martin Lobo <mlobo4370 using hotmail.com>; r-sig-meta-analysis using r-project.org <r-sig-meta-analysis using r-project.org>
Asunto: Re: [R-meta] Different methods and measures of measurement of continuous variables

As I said, I do not think you can. Perhaps carry out separate analyses
for each combination of outcome type and measurement technique.

Michael

On 18/06/2022 17:27, Martin Lobo wrote:
> thanks michael, and what would be the best way to synthesize these results?
>
> */Lorenzo Martín Lobo /**/^MTSAC, FACC, FESC /*
> /*Especialista Jerarquizado en Cardiología*/
> /*/*Jefe de Dpto Enf. Cardiovasculares y Cardiometabolismo Hospital
> Militar Campo de Mayo.*/
> */
> /*/*Jefe de Cardiología *//*Hospital Militar Campo de Mayo*/
> */
> /*Ex Jefe de Unidad Coronaria *//*Hospital Militar Campo de Mayo*/
> /
> /*Miembro Titular de la Sociedad Argentina de Cardiología*/
> /
> /
> /*Fellow American College of Cardiology*/
> /
> /
> /*Fellow European Society of Cardiology*/
> /
> /
> /*/*Ex Miembro del Area de Investigación de la SAC*/*/
> /
> /*Ex Director del Consejo de Aterosclerosis y Trombosis de la SAC*/
> /*Miembro Asesor /*del Consejo de Aterosclerosis y Trombosis de la SAC*/*/
> /*/
> /*/
> /*Ex Director del Consejo de Epidemiología y Prevención Cardiovascular
> de la SAC*/
> /*/
> /*/
> /*/
> /*//*/
> /*/
> /*Miembro Asesor del Consejo de Epidemiología y Prevención
> Cardiovascular de la SAC*/
> /*/
> /*/
> /*/
> /*/
> /*Experto en Lipidos de la Sociedad Argentina de Lipidos.*/
> /*Miembro de la Sociedad Argentina de Lipidos.*/
> /
> /*Instructor de ACLS de la American Heart Association*/
> /
>
> ------------------------------------------------------------------------
> *De:* Michael Dewey <lists using dewey.myzen.co.uk>
> *Enviado:* jueves, 16 de junio de 2022 12:15
> *Para:* Martin Lobo <mlobo4370 using hotmail.com>;
> r-sig-meta-analysis using r-project.org <r-sig-meta-analysis using r-project.org>
> *Asunto:* Re: [R-meta] Different methods and measures of measurement of
> continuous variables
> Dear Martin
>
> Nobody seems to have replied yet a far as I can see. My take on this is
> that with that variety of measurement methods and units you will not be
> able to synthesise all those studies.
>
> Michael
>
> On 11/06/2022 16:30, Martin Lobo wrote:
>> Hello everyone.
>>
>>   I have a perhaps recurring query. I am analyzing the amount of fat in an organ, the problem is that this amount is reported with different methods (tomography, ultrasound, etc.) and the units are different. There are units reported as cubic centimeters,  millimeters, square centimeters, milliliters, and logarithmic
> conversion of cm3.
>> The question is: would it be methodologically and mathematically correct to use the standardized mean difference or would it be necessary to use some other method of meta-analysis or stratify by type of measurement.
>>>From already thank you very much.
>>
>>
>>
>>
>> Lorenzo Mart�n Lobo MTSAC, FACC, FESC
>> Especialista Jerarquizado en Cardiolog�a
>> Jefe de Dpto Enf. Cardiovasculares y Cardiometabolismo Hospital Militar Campo de Mayo.
>> Jefe de Cardiolog�a Hospital Militar Campo de Mayo
>> Ex Jefe de Unidad Coronaria Hospital Militar Campo de Mayo
>> Miembro Titular de la Sociedad Argentina de Cardiolog�a
>> Fellow American College of Cardiology
>> Fellow European Society of Cardiology
>> Ex Miembro del Area de Investigaci�n de la SAC
>> Ex Director del Consejo de Aterosclerosis y Trombosis de la SAC
>> Miembro Asesor del Consejo de Aterosclerosis y Trombosis de la SAC
>> Ex Director del Consejo de Epidemiolog�a y Prevenci�n Cardiovascular de la SAC
>>
>> Miembro Asesor del Consejo de Epidemiolog�a y Prevenci�n Cardiovascular de la SAC
>>
>>
>> Experto en Lipidos de la Sociedad Argentina de Lipidos.
>> Miembro de la Sociedad Argentina de Lipidos.
>> Instructor de ACLS de la American Heart Association
>>
>>
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>>
>>
>>
>>
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Michael
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