Hi Tanja, you should use DODS and test for a difference between the age slopes of the groups (ie, an interaction between group and age). If there are no significant interactions, you should then use DOSS to test for the difference between thicknesses. doug
Tetiana Dadakova wrote: > Dear all, > > I have two groups of subjects, and I want to see a difference in > thickness between them controlling for age. > I couldn't find any information in the literature on how the subject's > brains in my groups develop with age. Therefore I can't tell whether > thickness as a function of age for both groups has the same slope or > different. > > My question is if in this case I should use DODS? > > Thank you, > Tanja. > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer 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.
