Hi - Yes, it sounds like there is no drop-out in your data, so there is no reason to use drop-out measures to compare across subjects.
Best, a.y On 8/30/17, 1:34 AM, "[email protected] on behalf of 이 정환" <[email protected] on behalf of [email protected]> wrote: >Hello > >I’m attempting to analysis diffusion MRI using TRACULA. > >As mentioned on article "Spurious group differences due to head motion in >a diffusion MRI study", I tried to calculate TMI(total motion index) >first. > >The problem is that, upper and lower quartile of Percent Bad Slices are >both 0. Upper and lower quartile of avg dropout score are both 1. >Calculating TMI on some subjects using those values figured out at >questionable results because difference of upper and lower quartile >values is used as denominator in formula. > >I those cases, should I exclude Percent Bad slices and avg dropout score >calculating TMI? > >Does anyone have any thoughts on it? > >Thanks in advance. > > > >_______________________________________________ >Freesurfer mailing list >[email protected] >https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ 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.
