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Table 3 Distribution of the sample according to the relationship between the scale of violence and psychiatric disorders

From: Study of attention measured by event-related potential as a predictive factor of violence among patients with schizophrenia and substance use disorder

 SUD pt. (n= 32)Dual diagnosis pt. (n= 16)Schizophrenia pt. (n= 38)KWχ2P
MOAS
 Min.–max.5.0–37.026.0–40.00.0–15.055.300*< 0.001*
 Mean ± SD17.84 ± 9.0233.13 ± 5.665.39 ± 4.55
 Median18.032.505.50
Sig. bet. grop.P1 < 0.001*, P2 < 0.001*, P3 < 0.001*  
  1. KW chi-square test value for Kruskal Wallis test, P1P value for Mann Whitney test for comparing between SUD pt. and dual diagnosis pt., P2P value for Mann Whitney test for comparing between SUD pt. and schizophrenia pt., P3P value for Mann Whitney test for comparing between dual diagnosis pt. and schizophrenia pt.
  2. *Statistically significant at P ≤ 0.05