Hi Greve, Thanks for your help. I have 28 females and 26 males in one group. If it is necessary to take gender and eTIV as a covariate, I don't know how to take them as covariate in SPSS. Subcortical volume can be divided by eTIV, but for gender, I don't know how to do. And the mean age of female and male don't have statistical significance (p=0.362).In this case, is it possible to ignore the effect of gender?
Sincerely, Zheng
At 2017-12-05 01:39:55, "Douglas N Greve" greve@nmr.mgh.harvard.edu wrote:
Yes, you should take those into account. Not sure what you mean by "which stat analysis".
On 12/01/2017 07:50 PM, 郑凤莲 wrote:
Hi professor,
I am using Freesurfer 6.0 and get the volume of subcortical structures. I want to get the relationship between age and volume. I only have one group, is it necessary to take gender and eTIV as a covariate? If it is necessary, Which statistical analysis should be used? I really appreciate your help. Thanks a lot.
Sincerely, Zheng
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