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Table 2 Descriptive statistics for the ordinal data of all subjects (525)

From: A multi-expert ensemble system for predicting Alzheimer transition using clinical features

Feature

Min

Max

Mean

Std. dev.

ADAS14

1

40

15.79

8.64

AGE

55

90

73.27

6.54

ANARTERR

0

47

10.78

8.39

BNTTOTAL

11

30

27.61

2.83

CATANIMSC

6

38

19.39

5.35

CATANINTR

0

6

0.06

0.46

CATANPERS

0

13

0.74

1.25

CDCARE

0

1

0.01

0.12

CDCOMMUN

0

1

0.07

0.18

CDGLOBAL

0

0.5

0.23

0.25

CDHOME

0

1

0.07

0.18

CDJUDGE

0

1

0.16

0.25

CDMEMORY

0

2

0.25

0.29

CDORIENT

0

2

0.10

0.22

CLOCKSCOR

1

5

4.59

0.71

COPYSCOR

0

5

4.81

0.50

GDTOTAL

0

6

1.13

1.29

MMSCORE

24

30

28.44

1.58

NPISCORE

0

17

1.25

2.23

PTEDUCAT

6

20

16.28

2.74

RAVLT_forgetting_bl

− 3

15

4.31

2.51

RAVLT_immediate_bl

13

70

40.72

11.24

RAVLT_learning_bl

0

11

5.15

2.58

RAVLT_perc_forgetting_bl

− 37.5

100

47.18

31.46

TRAASCOR

13

150

36.01

15.35

TRABSCOR

32

300

90.92

47.92

  1. In bold the feature selected by the optimized procedure used for the features selection