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Table 1 Frequencies of healthy controls' performance in each item and proposed standardized score

From: A standardized scoring method for the copy of cube test, developed to be suitable for use in psychiatric populations

Raw score

No. of observations

%

Standard score

Number of 'A' omissions

0

92

98.92

100

1

1

1.08

0

>1

0

0.00

0

Total

93

100.00

 

Number of 'A' intrusions

0

86

92.47

100

1

6

6.45

8

2

1

1.08

1

>2

0

0.00

0

Total

93

100.00

 

Missing lines (maximum 12)

0

90

96.77

100

1

2

2.15

2

2

1

1.08

1

>2

0

0.00

0

Lines which are not parallel

0

34

36.56

100

1

17

18.28

65

2

20

21.51

45

3

12

12.90

25

4

8

8.60

10

5

2

2.15

2

>5

0

0.00

0

Distorted lines

0

11

11.83

100

1

15

16.13

90

2

18

19.35

70

3

10

10.75

55

4

15

16.13

40

5

10

10.75

25

6

5

5.38

15

7

4

4.30

10

8

1

1.08

5

9

3

3.23

4

10

1

1.08

1

>10

0

0.00

0

Missing angles (maximum 26)

0

91

97.85

100

1-10

2

2.15

2

>10

0

0.00

0

Number of right angles which are not (maximum 12)

0

44

47.31

100

1

16

17.20

50

2

5

5.38

35

3

6

6.45

30

4

3

3.23

25

5

5

5.38

20

6

7

7.53

15

7

1

1.08

7

8

3

3.23

6

9

1

1.08

3

10

1

1.08

2

11

0

0.00

2

>11

1

1.08

1

Angles with different size than the template (maximum 26)

0

30

32.26

100

1

15

16.13

70

2

9

9.68

50

3

8

8.60

40

4

4

4.30

35

5

5

5.38

30

6

5

5.38

25

7

4

4.30

18

8

4

4.30

15

9

1

1.08

10

10

3

3.23

8

11

1

1.08

5

12

1

1.08

4

13

1

1.08

3

14

0

0.00

3

15

1

1.08

2

16

1

1.08

1

>16

0

0.00

0

Missing elements (maximum 7)

0

90

96.77

100

1

2

2.15

2

2

0

0.00

2

3

1

1.08

1

>3

0

0.00

0

Distorted elements (maximum 7)

0

19

20.43

100

1

22

23.66

80

2

13

13.98

55

3

14

15.05

40

4

9

9.68

27

5

8

8.60

17

6

1

1.08

8

7

7

7.53

7

Elements 1 and 2

0

31

33.33

100

1

62

66.67

67

Elements 3, 4, 5 and 6

0

13

13.98

100

1

10

10.75

85

2

22

23.66

75

3

48

51.61

50

Three-dimensional level missing

0

90

96.77

100

1

3

3.23

3

2

0

0.00

0

Rotation

No

74

79.57

100

Yes

19

20.43

20

Mirror Image

No

89

95.70

100

Yes

4

4.30

4

Close-In

No

93

100.00

100

Yes

0

0.00

0