Table 4 Class II descriptives and Wilcoxon signed-rank test statistics

Total score

55.85

9.65

52.76–58.94

41

82

7.10

3.33

6.04–8.16

2

16

17.05

4.69

15.55–18.55

6

29

< 0.001

< 0.001

AR

21.07

5.45

19.33–22.82

9

35

0.85

0.92

0.56–1.14

0

4

3.33

2.16

2.63–4.02

0

9

< 0.001

< 0.001

MR

4.82

1.81

4.25–5.40

2

9

2.75

1.30

2.34–3.16

0

6

4.03

1.67

3.49–4.56

1

7

0.065

< 0.001

BI

3.47

2.43

2.70–4.25

0

9

0.45

0.75

0.21–0.69

0

3

2.85

1.92

2.24–3.46

0

8

0.128

< 0.001

OJ

8.55

4.41

7.14–9.96

2

20

0.37

1.19

−0.01 - 0.76

0

7

2.23

1.78

1.66–2.79

0

6

< 0.001

< 0.001

OC

1.47

2.57

0.65–2.30

0

11

0.30

0.65

0.09–0.51

0

2

1.48

1.96

0.85–2.10

0

7

0.784

< 0.001

OR

15.63

4.11

14.31–16.94

8

20

2.38

1.72

1.82–2.93

0

6

3.23

2.81

2.32–4.13

0

11

< 0.001

0.102

IC

0.70

1.47

0.23–1.17

0

5

0.00

0.00

0.00–0.00

0

0

0.08

0.27

−0.01 - 0.16

0

1

0.012

0.083

OvB

4.25

2.17

3.56–4.95

0.90

11.80

2.56

0.61

2.36–2.76

1.00

3.60

2.35

0.72

2.12–2.58

0.70

3.70

< 0.001

0.056

A-P

4.63

1.09

4.28–4.98

3.50

8.60

0.10

0.41

−0.03 - 0.23

0.00

2.00

0.16

0.47

0.01–0.31

0.00

2.00

< 0.001

0.077