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Table 2 Differences in Personality disorder percentages among prisoners in Greece with violent crimes and homicides–attempted homicides (N = 308)

From: Association of Schizoid and Schizotypal Personality disorder with violent crimes and homicides in Greek prisons

  Violent crimes p* Homicides/attempted homicides p*
N (%) N (%)
PD diagnosis
 Antisocial 30 (22.9) 0.870 12 (9.2) 0.608
 Borderline 17 (34.7) 0.313 10 (20.4) 0.328
 Narcissistic 10 (41.7) 0.162 1 (4.2) 0.385**
 Paranoid 10 (45.5) 0.100 6 (27.3) 0.175**
 Histrionic 1 (50.0) 0.454** 0 (0.0) 1.000**
 Schizoid 11 (50.0) 0.049 8 (36.4) 0.047**
 Schizotypal 4 (66.7) 0. 050** 3 (50.0) 0.026**
 Obsessive–Compulsive 0 (0.0) 0. 309** 0 (0.0) 1.000**
 Dependent 0 (0.0) 1.000** 0 (0.0) 1.000**
 Avoidant 0 (0.0) 1.000** 0 (0.0) 1.000**
 Passive–aggressive 4 (40.0) 0.330 2 (20.0) 0.611**
 No PD 8 (24.2)   4 (12.1)  
PD Cluster
 A 25 (50.0) 0.019 17 (34.0) 0.025
 B 58 (28.2) 0.641 23 (11.2) 0.774**
 C 0 (0.0) 0.168 0 (0.0) 0.561**
  1. PD Personal Disorder, Cluster A PD Paranoid/Schizoid/Schizotypal PD, Cluster B PD Antisocial/Borderline/Histrionic/Narcissistic PD, Cluster C PD Obsessive/Compulsive/Dependent/Avoidant PD
  2. * Chi square test for the comparison with those without PD, ** Fisher’s exact test