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Table 3 Demographics of the subset of the study cohort for which Δt > 2.5 used for machine learning classification

From: Prediction of amyloid pathology in cognitively unimpaired individuals using voxel-wise analysis of longitudinal structural brain MRI

Category Ctrl PreAD MCI AD MCI/AD
Number of subjects 15 10 38 0 38
Age (years) at baseline (mean; std) 76.51 (6.18) 76.0 (3.97) 72.987 (6.11) 72.987 (± 6.11)
Sex (F/M) 8/7 5/5 27/11 27/11
Follow-up (years) period (mean; std) 4.17 (1.035) 4.21 (0.98) 3.91 (0.82) 3.91 (0.82)