Table 2 Mean (SD) comparisons for t-scores on MATRICS domains and composites, comparing violent and non-violent groups after controlling for age and gender as co-variants. Effect sizes and AUC for receiver operator characteristics (ROC)

F-statistic

P value

Partial Eta squared

d

AUC

Mean

S.D

mean

S.D

(df 1,87)

lower

upper

lower

upper

Processing Speed

24.82

15.5

18.50

10.2

5.242

0.025

0.058

0.76

0.10

1.43

0.65

0.51

0.79

Attention

28.4

11.1

23.8

10.4

2.43

0.122

0.028

0.52

−0.13

1.18

0.62

0.43

0.81

Working Memory

31.3

12.7

32.8

8.4

0.053

0.818

0.001

0.24

−0.41

0.90

0.45

0.30

0.60

Verbal Learning

33.9

7.6

28.4

4.5

7.56

0.007*

0.082

0.92

0.25

1.59

0.72

0.58

0.86

Visual Learning

32.7

12.6

26.5

11.9

2.57

0.11

0.029

0.53

−0.12

1.20

0.64

0.46

0.82

Reasoning

35.9

7.4

35

5.4

0.808

0.371

0.009

0.30

−0.35

0.96

0.51

0.33

0.68

Social Cognition

35.7

11.0

24.4

6.3

11.57

0.001*

0.12

1.14

0.46

1.82

0.81

0.71

0.90

Neuro-cognitive composite

31.1

9.3

27.5

6.7

3.05

0.084

0.035

0.58

−0.07

1.24

0.61

0.45

0.76

MATRICS Total Composite

20.9

14.0

12.8

9.1

5.720

0.019

0.063

0.80

0.13

1.47

0.67

0.53

0.81