Gaoyu Xiao
Danielle J Harvey
The FDG values are a composite measure meant to capture the average FDG uptake in the ROIs. See the attached for some information on how the ROIs were derived.
Danielle
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Gaoyu Xiao
Danielle J Harvey
Yes, on average AD have lower values on this measure than MCI or Normals.
Danielle
From: adni...@googlegroups.com [mailto:adni...@googlegroups.com]
On Behalf Of Gaoyu Xiao
Sent: Tuesday, July 11, 2017 4:56 PM
To: Alzheimer's Disease Neuroimaging Initiative (ADNI) Data <adni...@googlegroups.com>
Subject: Re: [adni-data] What do the scores of FDG in ADNIMERGE.csv mean?
Hi Danielle,
Thank you for your quick reply.
Does a lower FDG uptake indicate higher probability of AD?
Thank you.
On Tuesday, July 11, 2017 at 7:19:44 PM UTC-4, Danielle Harvey wrote:
The FDG values are a composite measure meant to capture the average FDG uptake in the ROIs. See the attached for some information on how the ROIs were derived.
Danielle
From: adni...@googlegroups.com [mailto:adni...@googlegroups.com] On Behalf Of Gaoyu Xiao
Sent: Tuesday, July 11, 2017 2:37 PM
To: Alzheimer's Disease Neuroimaging Initiative (ADNI) Data <adni...@googlegroups.com>
Subject: [adni-data] What do the scores of FDG in ADNIMERGE.csv mean?
According to ADNI Data Dictionary Search, the definition of FDG is "Average FDG-PET of angular, temporal, and posterior cingulate". But what do the FDG scores (e.g. 1.36926, 1.09079, etc) mean? Thank you.
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