You will need to run mri_segstats on the output segmentation for each subject, like
mri_segstats --seg seg.mgz --sum sum.subject.dat --ctab colortable.dat
Then run asegstats2table passing al lthe sum.subject.dat files (run with --help to see how)
The only problem will be to get the proper color table for use with mri_segstats. You can run it without --ctab, but you won't get the names of the labels. The colortable needs to be formatted like $FREESURFER_HOME/FreeSurferColorLUT.txt

On 2/19/2021 8:58 AM, Viktor-Jan De Deken wrote:

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Hi Freesurfer

I would like to perform statistical analesys on cerebellar segmentation data.
For my purposes, The atlases that come with Freesurfer don't give enough parcellation of the cerebellum.
I tried looking online and found this email conversation: MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be https://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg65121.html
I applied this and it worked visually but I want statistical data like in the aseg.stats or aparc.stats files.

Can you help me?

Kind regards 
Viktor-Jan

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