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Table 1 Published and unpublished reports of the number homicide offenders with schizophrenia who had committed an earlier homicide

From: Systematic review and meta-analysis of homicide recidivism and Schizophrenia

Region

Period

Duration of study in years

Total homicide offenders per 100,000

Number of homicides by people with schizophrenia and related psychosis

Number of patients with homicide recidivism N (%)

1. Austria [33]

1975-1999

25

0.54

62

0 (0%)

2. Australia (Victoria) [34]

1993-1995

3

1.12

11

0 (0%)

3. Australia (Victoria) [21]

1997-2005

9

1.12

38

0 (0%)

4. Australia (New South Wales) [6, 13]

1992-2008

17

1.78

131

1 (0.8%)

5. Barbados [35]

1978-1995

18

6.8

17

0 (0%)

6. Finland [7]

1980-1991

11

2.27

93

4 (4.3%)§

7. Germany (Hessen) [31]

1992-1996

5

0.78

17

0 (0%)

8. New Zealand [36]

1970-2000

30

1.42

74

0 (0%)

9. Netherlands [28]

2000-2006

7

1.1

24

0 (0%)

10. Nigeria (Jos) [37]

1980-1998

18

0.22

25

0 (0%)

11. Russian Federation (The Chuvash Republic) [12]

1981-2010

30

12.4

149

16† (10.7%)§

12. Saudi Arabia [26]

2008-2009

1.5

1.64

128

1 (0.8%)

13. Singapore [38]

1997-2001

15

0.63

10

0 (0%)

14. Sweden [11]

1975-2007

32

1.0

22

1 (4.5%)§

  1. † Includes offenders who committed a first homicide prior to the onset of schizophrenia.
  2. § Previously published reports.