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Table 2 Comparison of the scores of healthy controls and schizophrenic patients above and below 40 years of age, with t test as the post hoc test

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

 

Controls

Patients with Schizophrenia

 
 

Mean

SD

Mean

SD

P value

Below 41 years

N = 60

N = 101

 

RLT-A

100.00

0.00

71.43

45.72

<0.001

RLT-B

84.14

21.31

65.00

40.05

<0.001

SCCT-1

100.00

0.00

79.16

40.67

<0.001

SCCT-2

63.10

35.20

41.70

35.12

<0.001

SCCT-3

57.06

30.57

41.14

29.21

0.001

SCCT-4

100.00

0.00

71.83

44.76

<0.001

SCCT-5

66.42

36.94

31.45

30.23

<0.001

SCCT-6

60.52

34.46

45.74

38.96

<0.05

SCCT-7

100.00

0.00

76.39

42.44

<0.001

SCCT-8

56.95

31.41

40.10

30.86

<0.001

SCCT-9

77.11

15.34

79.89

16.18

NS

SCCT-10

68.63

19.27

65.43

19.66

NS

SCCT-11

100.00

0.00

79.30

40.40

<0.001

SCCT-12

85.81

30.81

84.76

31.56

NS

SCCT-13

95.35

20.77

85.37

34.67

<0.05

SCCT-14

100.00

0.00

100.00

0.00

NS

SCCT

1,128.77

145.22

922.26

212.89

<0.001

Deficit Index (DcI)

496.63

17.82

395.61

150.78

<0.001

Missing Elements (ME)

400.00

0.00

310.82

153.23

<0.001

Mirror Image (M)

96.63

17.82

84.79

35.23

<0.05

Deformation Index (DfI)

182.60

34.11

169.74

47.19

NS

Deformation (D)

450.14

138.94

343.06

137.32

<0.001

Rotation (R)

85.96

30.70

84.95

31.42

NS

Closing-In Index (CiI)

100.00

0.00

100.00

0.00

NS

Above 40 years

N = 33

N = 26

 

RLT-A

96.77

17.96

84.62

37.55

NS

RLT-B

87.13

15.98

62.46

43.00

<0.01

SCCT-1

93.65

24.60

77.23

42.40

NS

SCCT-2

61.68

29.48

39.65

38.03

<0.05

SCCT-3

53.39

30.58

27.69

26.87

<0.01

SCCT-4

93.68

24.47

58.38

49.56

<0.001

SCCT-5

58.00

38.12

33.12

26.16

<0.01

SCCT-6

54.65

35.07

32.15

30.93

<0.05

SCCT-7

93.65

24.60

73.46

44.59

<0.05

SCCT-8

58.61

32.58

31.77

31.08

<0.01

SCCT-9

78.71

16.05

77.15

15.53

NS

SCCT-10

63.23

18.42

56.73

15.10

NS

SCCT-11

90.61

29.15

73.42

44.66

NS

SCCT-12

79.35

35.58

72.31

38.81

NS

SCCT-13

96.90

17.24

96.31

18.83

NS

SCCT-14

100.00

0.00

100.00

0.00

NS

SCCT

1,076.10

190.59

849.38

188.07

<0.001

Deficit Index (DcI)

470.19

93.07

368.60

164.78

<0.01

Missing Elements (ME)

375.53

91.84

271.80

164.47

<0.01

Mirror Image (M)

94.67

22.30

96.80

17.53

NS

Deformation Index (DfI)

174.67

38.89

170.13

46.17

NS

Deformation (D)

427.53

143.18

312.57

126.38

0.001

Rotation (R)

80.00

35.13

73.33

38.36

NS

Closing-In Index (CiI)

100.00

0.00

100.00

0.00

NS

  1. NS = not significant; RLT = random letter test; SCCT = Standardized Copy of the Cube Test.