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Table 1 Sample characteristics

From: Sparse learning and stability selection for predicting MCI to AD conversion using baseline ADNI data

 

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Converter

P-Value

Number of subjects

177 (114/64)

142 (87/55)

 

Age

74.90 ± 7.39

74.49 ± 6.94

0.6150

Years of education

15.65 ± 3.06

15.77 ± 2.90

0.7093

MMSE

27.38 ± 1.75

26.62 ± 1.71

<0.001

CDR-SB

1.37 ± 0.75

1.83 ± 0.93

<0.001

ADAS-cog total 11

9.99 ± 4.16

13.09 ± 4.13

<0.001

ADAS-cog total 13

16.06 ± 6.28

21.12 ± 5.79

<0.001

ADAS-cog subscore Q1 Word Recall

4.07 ± 1.36

5.07 ± 1.23

<0.001

ADAS-cog subscore Q2 Commands

0.14 ± 0.47

0.19 ± 0.44

0.3437

ADAS-cog subscore Q3

0.51 ± 0.54

0.56 ± 0.59

0.3931

ADAS-cog subscore Q4 Delayed Word

5.36 ± 2.33

7.12 ± 1.94

<0.001

ADAS-cog subscore Q5 Naming

0.28 ± 0.52

0.22 ± 0.45

0.2380

ADAS-cog subscore Q6 Ideational

0.14 ± 0.40

0.15 ± 0.45

0.7760

ADAS-cog subscore Q7 Orientation

0.39 ± 0.72

0.93 ± 1.10

<0.001

ADAS-cog subscore Q8 Word

4.05 ± 2.68

5.33 ± 2.52

<0.001

ADAS-cog subscore Q9 Recall

0.06 ± 0.38

0.06 ± 0.26

0.9965

ADAS-cog subscore Q10 Spoken

0.05 ± 0.22

0.13 ± 0.46

0.0517

ADAS-cog subscore Q11 Word Finding

0.24 ± 0.57

0.35 ± 0.63

0.0943

ADAS-cog subscore Q12

0.07 ± 0.33

0.09 ± 0.33

0.5268

ADAS-cog subscore Q14 Number

0.78 ± 0.92

1.08 ± 1.09

0.0101

FAQ: Activities of Daily Living

2.41 ± 3.61

5.37 ± 4.70

<0.001

LDEL: Logical Memory delayed

4.59 ± 2.64

2.81 ± 2.32

<0.001

LIMM: Logical Memory immediate

7.77 ± 3.03

6.46 ± 2.95

<0.001

APOE (0 allele/1 allele/2 alleles)

103/59/15

48/71/23

<0.001

TRAA: Trail Making Test: Part A

40.0 ± 15.5

48.1 ± 25.2

<0.001

TRAA: Trail Making Test: Part B

114.7 ± 64.8

144.0 ± 75.2

<0.001