you can't do a paired analysis with QDEC. Instead see https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis
On 01/27/2017 09:38 AM, Vikas Bandalli wrote: > Dear Freesurfer developers, > > I had a small confusion while performing a paired analysis. > An analysis is to be performed to examine or analyze the structural > differences between two group 'Control' and 'Patient' subjects. > If my study is age and sex matched, > say there is a control with same age and sex for every patient, > How should I plan my analysis on QDEC, > > I am currently following this pattern, > *Fixed fatcor :- Diagnosis (normal or patient) > Continous factor* :- *Age * > *Nuisance factor *:- *Total ICV > * > Is this a correct design? or should I add *sex * to the *fixed factor,* > i.e, *fixed factor :- Diagnosis & Sex * > > How will my analysis vary with and without using sex as fixed factor ? > Which is the correct design? > > Thank you very much in advance. > > Regards, > Vikas Bandalli Raju > -- > Vikas B. R. > Medical student > Bangalore Medical College and Research Institute (BMCRI), > Bangalore,India, > Ph : +918904286825 -- Douglas N. Greve, Ph.D. MGH-NMR Center [email protected] Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list [email protected] 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.
