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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)

From: Prospective cohort study of the relationship between neuro-cognition, social cognition and violence in forensic patients with schizophrenia and schizoaffective disorder

MATRICS Domains and Composites ANOVA Effect Size d Receiver operating characteristic
  Non-violent n = 79 Violent n = 10 F-statistic P value Partial Eta squared d 95 % CI AUC 95 % CI
  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
  1. *Is significant following Bonferroni Correction