Hi, <div><br></div><div>I am using freesurfer 5.1.0 and qdec 1.4. I&#39;m interested in looking at between group differences in thickness in relation to two other continuous measures whilst controlling for ICV. However, qdec doesn&#39;t seem to let me select more that one continuous variable even though I only have group selected (discrete) and ICV (nuisance) as additional variables (i.e. a total of three selected) - it&#39;s my understanding that qdec allows up to 4 variables, is there a method to selecting multiple continuous variables that I am missing (e.g. hold down shift and select)?</div>

<div><br></div><div>Thanks! </div><div><br></div><div>Laura. <br clear="all"><div><br></div>-- <br>Laura Tully<br>Social Neuroscience &amp; Psychopathology<br>Harvard University<br>840 William James Hall<br>33 Kirkland St<br>

Cambridge, MA 02138<br><a href="mailto:ltully@fas.harvard.edu" target="_blank">ltully@fas.harvard.edu</a><br>--<div><div>My musings as a young clinical scientist: <a href="http://theclinicalbrain.blogspot.com/" target="_blank">http://theclinicalbrain.blogspot.com/</a></div>

</div><div>Follow me on Twitter: @tully_laura</div><br>
</div>