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Table 4 Subset of selected features for each time window and FL dataset

From: Predicting progression of mild cognitive impairment to dementia using neuropsychological data: a supervised learning approach using time windows

Features FL approach 2-Year window 3-Year window 4-Year window 5-Year window
Age X X X X X
Age of first symptons X   X X X
Cancelation Task- A’s time X    X X
Cancelation Task – A’s total   X X   
Digit Span - Forward     X  
Digit Span - Backward   X X X  
Verbal Paired-Associate Learning – Easy   X X X  
Verbal Paired-Associate Learning –Difficult X X X X X
Verbal Paired-Associate Learning – Total X X X X X
Logical Memory Immediate A free recall X X X X X
Logical Memory - A Immediate Cued X   X X  
Word Recall – Free recall X X X X X
Word Recall –Total X   X   
Logical Memory with Interference-A X X X   X
Orientation (Total) X X X X X
Orientation – Personal   X X   
Orientation – Spatial      X
Orientation – Temporal X X X X X
Orientation- MSQ X     
Verbal Fluency X    X X
Token Orders (total)   X    
Cube Draw X     
Calculation   X    
Interpretation of Proverbs – (Verbal Abstraction) X X X   
Raven Progressive Matrices X X X X X
Trail Making Test (Part B) - time X     
CVLT A list (1sttrial)     X X
CVLT A list (3thtrial)    X   
CVLT A list (4thtrial) X X    
CVLT A list (five learning trails total) X X   X X
CVLT A list (Total intrusions in 5 recalls)    X   
Blessed Dementia Scale (Total of Part 1 - Daily living activities) X     
Fi_LM_a X    X  
Fi_LM_a_m100 X    X  
Cancelation Task – A’s total (Z-score)   X X   
Digit Span – Forward (Z-score)   X    X
Digit Span – Backward (Z-score) X   X   
Digit Span – Total (Z-score) X    X X
Verbal Paired-Associate Learning (Z-score) X X X X X
Informatio (Z-score) X X   X  
Orientation (Total) (Z-score) X X X X X
Orientation- MSQ (Z-score) X X X X X
Word Recall –Total (Z-score)   X    X
Verbal Fluency (Z-score) X X X X X
Interpretation of Proverbs – (Verbal Abstraction) (Z-score) X   X X X
Raven Progressive Matrices (Z-score) X X X X X
Cancelation task -Toulouse- Pierón (concentration index) (Z-score) X     
CVLT A list (five learning trails total) (Z-score) X   X   
CVLT A list (5sttrial) (Z-score)     X X
Logical Memory Immediate A free recall (Z-score) X X X X X
Logical Memory with Interference-A (Z-score)   X X X X
  1. The neuropsychological assessment was standardized according to the age and education norms for the Portuguese population and z-scores were calculated