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Table 2 Comparison of demographic information according to level of education

From: The items in the Chinese version of the Montreal cognitive assessment basic discriminate among different severities of Alzheimer’s disease

 

Low-level education

 

Group

NC (N = 11)

MCI (N = 26)

Mild AD (N = 82)

Moderate-severe AD (N = 12)

P-Value

Factor

Education years (X̄±s)

2.4 ± 2.8

3.7 ± 2.4

3.2 ± 2.6

1.5 ± 2.3

0.08

Age (X̄±s)

69.2 ± 10.9

66.3 ± 8.6

70.1 ± 8.3

69.9 ± 8.6

0.288

Sex

    

0.382

 Male

6

11

27

3

 

 Female

5

15

55

9

 
 

Middle-level education

 

Group

NC (N = 39)

MCI (N = 131)

Mild AD (N = 186)

Moderate-severe AD (N = 25)

P-value

Factor

Education years (X̄±s)

9.5 ± 3.1

9.3 ± 2.9

9.6 ± 2.4

8.9 ± 3.1

0.53

Age (X̄±s)

65.6 ± 9.0

65.5 ± 7.8

68.3 ± 9.0

67.4 ± 10.6

0.03

Sex

    

0.389

 Male

17

54

85

7

 

 Female

22

77

101

18

 
 

High-level education

 

Group

NC (N = 279)

MCI (N = 299)

Mild AD (N = 234)

Moderate-severe AD(N = 65)

P-value

Factor

Education years (X̄±s)

11.8 ± 3.0

12.3 ± 3.4

12.0 ± 6.2

11.6 ± 3.2

0.56

Age (X̄±s)

65.9 ± 8.2

69.6 ± 8.1

70.8 ± 9.1

69.4 ± 9.7

0

Sex

    

0

 Male

92

152

121

28

 

 Female

187

147

113

37

 
  1. NC, cognitively normal controls; MCI, mild cognitive impairment; AD, Alzheimer’s disease