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Table 3 Significant F test for between groups accordingly to three quadrants of MMSE within illiterates and low educated (N = 64)

From: A model of cognitive evaluation battery for diagnosis of mild cognitive impairment and dementia in educated and illiterate Egyptian elderly people

Variable

Lower (dementia)

Mediate (MCI)

Upper (normals)

F value

Post hoc (LSD)

Mean

Std. Dev.

Mean

Std. Dev.

Mean

Std. Dev.

Semantic fluency

7.25

1.58

12.44

3.95

15.00

0.89

9.62***

2&3>1

Verbal learning

13.40

3.57

15.17

3.57

19.67

4.93

5.42**

3>1&2

VL total easy

12.00

2.98

13.43

3.03

15.33

2.58

2.37

VL total hard

1.40

0.84

1.74

1.27

4.33

2.88

9.04***

3>1&2

VL 1st trial total

3.20

0.79

4.17

1.07

4.67

1.37

4.46*

2&3>1

VL 1st trial easy

3.20

0.79

4.00

1.00

4.33

1.03

3.40

VL 1st trial hard

0.00

0.00

0.17

0.38

0.33

0.52

1.68

VL 2nd trial total

4.80

1.81

5.09

1.31

7.33

2.25

6.10**

3>1&2

VL 2nd trial easy

4.20

1.40

4.46

1.12

5.33

1.03

1.88

VL 2nd trial hard

0.60

0.52

0.63

0.60

2.00

1.55

9.08***

3>1&2

VL 3rd total

5.20

1.23

5.91

1.58

7.67

1.86

4.84*

3>1&2

VL 3rd trial easy

4.40

1.08

4.97

1.12

5.67

0.52

2.68

VL 3rd trial hard

0.80

0.42

0.94

0.64

2.00

1.55

5.62**

3>1&2

DI total

5.00

1.49

5.69

1.57

7.67

1.37

5.90**

3>1&2

DI easy

4.20

1.40

4.83

1.04

6.33

0.52

7.47**

3>1&2

DI hard

0.80

0.42

0.86

0.85

1.33

1.37

0.88

DR total

4.50

0.93

5.77

2.16

6.33

1.03

1.88

DR easy

4.25

1.17

4.66

1.41

5.67

0.52

2.13

DR hard

0.25

0.46

1.11

1.02

0.67

0.52

3.18

Word recognition

8.33

1.03

8.60

0.60

9.00

0.00

1.70

WRNP

0.67

0.52

0.22

0.53

0.00

0.00

2.89

BG copy

2.33

1.86

3.59

1.22

4.33

0.52

4.00*

2&3>1

BG recall

1.33

1.37

2.51

1.65

4.67

0.52

7.47***

3>1&2

Set shifting lines

4.67

3.14

6.57

2.98

8.00

1.55

2.05

Set shifting time

93.33

31.41

74.06

24.89

53.33

5.16

4.05*

3>1

DS forward

5.67

0.52

5.68

1.27

5.67

0.52

0.001

DS backward

2.33

0.52

2.59

1.28

2.33

0.52

0.22

Semantic spherical

2.33

0.52

4.36

1.56

5.67

0.52

8.66

1>2>3

Lexical fluency

1.00

1.16

3.49

2.08

4.00

1.55

3.27

-----

CN total

10.17

1.85

11.37

1.11

11.67

1.85

4.78*

2&3>1

CN correct

8.83

1.64

10.46

1.21

11.67

0.52

11.93***

3>2>1

CN stimulus cue

1.33

0.99

0.95

0.50

0.00

0.00

9.75***

1&2>3

CN phonemic cue

0.50

0.52

0.15

0.37

0.33

0.52

3.28

Abstraction

1.00

0.00

1.20

0.40

1.00

0.00

1.37

Judgment

1.00

0.00

1.00

0.00

1.00

0.00

  1. VL verbal learning, DI distractor interval, DR delayed recall, WRNP word recognition novel prototype, BG Bender Gestalt, DS digit span, CN confrontation naming
  2. 1 = Dementia; 2= mild cognitive impairment; 3 = normal < 0.05 (*), < 0.01 (**), < 0.001 (***)
  3. Level of significance among subgroups (normal, MCI and dementia) was expressed by F value. Post hoc test to measure the variations between subgroups in each battery test