Re: [Freesurfer] TIV should be considered as a covariant for thickness, volume and area analyses

2018-06-29 Thread Ting Li
External Email - Use Caution

Thank you so much!

Ting
> On Jun 29, 2018, at 2:10 PM, Douglas Greve  wrote:
> 
> Yes, for area and volume, no for thickness
> 
> On 6/29/18 3:06 PM, Ting Li wrote:
>> External Email - Use Caution
>> 
>> Hi FreeSurfer Experts,
>> 
>> I would like to do the surface analysis among two groups, like the 
>> thickness, volume and area. When I run the GLM, do I have to consider the 
>> eTIV as a covariant or not? Thanks a lot!
>> 
>> Best wishes,
>> Ting
>> 
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Re: [Freesurfer] TIV should be considered as a covariant for thickness, volume and area analyses

2018-06-29 Thread Douglas Greve
Yes, for area and volume, no for thickness

On 6/29/18 3:06 PM, Ting Li wrote:
>  External Email - Use Caution
>
> Hi FreeSurfer Experts,
>
> I would like to do the surface analysis among two groups, like the thickness, 
> volume and area. When I run the GLM, do I have to consider the eTIV as a 
> covariant or not? Thanks a lot!
>
> Best wishes,
> Ting
>
> ___
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

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[Freesurfer] TIV should be considered as a covariant for thickness, volume and area analyses

2018-06-29 Thread Ting Li
External Email - Use Caution

Hi FreeSurfer Experts,

I would like to do the surface analysis among two groups, like the thickness, 
volume and area. When I run the GLM, do I have to consider the eTIV as a 
covariant or not? Thanks a lot!

Best wishes,
Ting

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The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.