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Table 2 Comparison of the scores of normal controls and schizophrenic patients (analysis of variance (ANOVA)) above and below 40 years of age, with t test as post hoc test

From: The standardised copy of pentagons test

 

Controls

Patients with schizophrenia

P value

 

Mean

SD

Mean

SD

 

Below 40 years

RLT-A

100.00

0.00

71.43

45.72

< 0.001

RLT-B

84.14

21.31

65.00

40.05

< 0.001

SCPT-1

100.00

0.00

98.02

14.00

NS

SCPT-2

100.00

0.00

92.16

26.87

< 0.05

SCPT-3

98.29

13.00

93.14

25.27

NS

SCPT-4

59.17

32.80

57.93

33.02

NS

SCPT-5

84.83

31.64

66.73

39.63

< 0.01

SCPT-6

79.48

32.14

68.12

35.03

< 0.05

SCPT-7

77.59

31.17

61.39

32.08

< 0.01

SCPT-8

93.45

24.28

96.24

18.62

NS

SCPT-9

89.74

27.93

76.44

38.24

< 0.05

SCPT-10

84.83

31.64

86.53

30.08

NS

SCPT-11

64.67

31.74

47.86

33.32

< 0.01

SCPT-12

80.83

34.64

47.26

41.35

< 0.001

SCPT-13

94.98

21.67

93.28

24.76

NS

SCPT-14

100.00

0.00

100.00

0.00

NS

SCPT-15

100.00

0.00

100.00

0.00

NS

SCPT

1307.86

140.59

1185.09

161.50

< 0.001

Above 40 years

RLT-A

96.77

17.96

84.62

37.55

NS

RLT-B

87.13

15.98

62.46

43.00

< 0.01

SCPT-1

100.00

0.00

96.67

18.26

NS

SCPT-2

97.25

16.50

100.00

0.00

NS

SCPT-3

100.00

0.00

96.70

18.07

NS

SCPT-4

64.44

31.12

53.73

38.83

NS

SCPT-5

77.78

36.34

60.00

40.68

NS

SCPT-6

80.56

31.80

74.33

34.31

NS

SCPT-7

74.72

32.14

69.67

32.98

NS

SCPT-8

97.36

15.83

96.83

17.34

NS

SCPT-9

81.11

35.84

91.50

25.94

NS

SCPT-10

75.56

37.37

84.00

32.55

NS

SCPT-11

65.03

34.61

45.73

34.34

< 0.05

SCPT-12

70.11

40.89

56.30

42.25

NS

SCPT-13

97.31

16.17

87.07

33.54

NS

SCPT-14

100.00

0.00

100.00

0.00

NS

SCPT-15

100.00

0.00

100.00

0.00

NS

SCPT

1281.22

151.58

1212.53

121.71

< 0.05

  1. For below 40 years there were 60 controls and 101 patients. For above 40 years there were 33 controls and 26 patients.
  2. NS = not significant; RLT = Random Letter Test; SCPT = Standardised Copy of Pentagons Test.