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Mean standardized (Z) scores of the variables used for clustering in the CUN and ADNI datasets. The sign of TMT‐A and TMT‐B was reversed to align with the direction of the other variables. ADNI, Alzheimer's Disease Neuroimaging Initiative; CUN, Clínica Universidad de Navarra; MMSE, Mini‐Mental State Examination; TMT‐A, Trail Making Test, Part A; TMT‐B, Trail Making Test, Part B.
