Question

Question Posted 09/21/21:
The ADNIMERGE composite table seems to be smaller than it was only a few months ago. Is that file supposed to be continually growing or is there a reason why it would contain less sessions that it previously did.
For example, in March the table had ~15K rows, and now it has only ~13K.
Response posted 09/27/21 by Danielle:
There appears to be an error in the transfer of the file to LONI. We are working on a solution.
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Due to serious data quality concerns, all data with PTIDs containing the format 381_S_10### have been removed from the ADNI data repository. ADNI leadership strongly advises that data with these PTIDs not be used in any data analysis, submission of abstracts, or publications. Furthermore, ADNI leadership requests that any abstracts or papers which have been submitted using this data be appropriately revised due to concerns with data quality. More information click here.

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