Fig. 2

Feature importance for variable selection. The figure shows the order of importance of the features. The cognitive variables appear to be the most informative, particularly the immediate free recall of the FCSRT. It also shows that a combination of demographic, self-reported and medical parameters are relevant for predicting MCI risk. SCD: Subjective Cognitive Decline; EQ-5D: EuroQol 5D; GDS: Geriatric Depression Scale; MMSE: Mini Mental State Examination; FCSRT: Free and Cued Selective Reminding Test; ROCF: Rey-Osterrieth Complex Figure.