help > RE: Individual QC-FC measures are above recommended threshold but not when combined
Aug 28, 2025  10:08 PM | Alfonso Nieto-Castanon - Boston University
RE: Individual QC-FC measures are above recommended threshold but not when combined

Hi Sarah&Joseph


That is perfectly fine, in our recommendation for >95% percent overlap measures we were always referring to the individual measures, so as long as all of your individual percent overlap measures across the QC variables used in your QC-FC analyses are above 95% that should be sufficiently conservative to proceed (I will probably change the behavior of the "combined" QC-FC overlap measure to reflect this in the GUI, displaying instead just the minimum of the individual measures in order to avoid confusion). 


Hope this helps


Alfonso


Originally posted by Sarah Valkenborghs:



Hi Joseph, 


Did you ever find a solution to your query? Or how did you end up deciding to proceed? 


I'm in the same situation whereby my individual QC-FC measures are all >95%, but when I combine them it drops to ~89-90%, so I'm unsure what to do. 


I'd appreciate any pointers you might have, 


Thanks, 


Sarah V


 



 

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TitleAuthorDate
Joseph Dust Jul 24, 2024
Sarah Valkenborghs Aug 14, 2025
RE: Individual QC-FC measures are above recommended threshold but not when combined
Alfonso Nieto-Castanon Aug 28, 2025