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Suicide-related behaviours in schizophrenia in China: a comprehensive meta-analysis

Published online by Cambridge University Press:  25 September 2017

M. Dong ,
S. B. Wang ,
F. Wang ,
L. Zhang ,
G. S. Ungvari ,
C. H. Ng ,
X. Meng ,
Z. Yuan ,
G. Wang  and
Y. T. Xiang
M. Dong
Affiliation:
Faculty of Health Sciences, University of Macau, Macao SAR, China
S. B. Wang
Affiliation:
Guangdong Mental Health Center, Guangdong General Hospital & Guangdong Academy of Medical Sciences, Guangdong Province, China
F. Wang
Affiliation:
Faculty of Health Sciences, University of Macau, Macao SAR, China
L. Zhang
Affiliation:
The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China
G. S. Ungvari
Affiliation:
University of Notre Dame Australia / Graylands Hospital, Perth, Australia
C. H. Ng
Affiliation:
Department of Psychiatry, University of Melbourne, Melbourne, Victoria, Australia
X. Meng
Affiliation:
Department of Psychiatry, McGill University and the Douglas Mental Health University Institute, Montreal, Canada
Z. Yuan
Affiliation:
Faculty of Health Sciences, University of Macau, Macao SAR, China
G. Wang
Affiliation:
The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China
Y. T. Xiang*
Affiliation:
Faculty of Health Sciences, University of Macau, Macao SAR, China
*
*Address for correspondence: Dr Y.-T. Xiang, Faculty of Health Sciences, University of Macau, 3/F, Building E12, Avenida da Universidade, Taipa, Macau SAR, China. (Email: [email protected])
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Abstract

Aims.

Suicide-related behaviours are common in schizophrenia and are significantly associated with premature death. The objective of this meta-analysis study was to estimate the pooled prevalence of suicide-related behaviours in schizophrenia patients in China.

Methods.

The relevant literature was searched systematically via the relevant electronic databases (PubMed, Embase, PsycINFO, Chinese National Knowledge Infrastructure, Wanfang Databases and Chinese Biological Medical Literature Database) from their inception until 14 September 2016. Only original studies that reported the prevalence of suicide-related behaviours including suicidal ideation (SI), suicide plan, suicide attempt (SA) and completed suicide were selected.

Results.

Nineteen articles met the inclusion criteria and were analysed. The pooled lifetime prevalence of SI and SA were 25.8% (95% CI 14.7–41.1%) and 14.6% (95% CI 9.1–22.8%), respectively. The 1-month prevalence of SI was 22.0% (95% CI 18.2–26.4%). Subgroup analyses of lifetime SI and SA showed that gender, sample size, survey year, study location and source of patients have no significant mediating effects on the results.

Conclusions.

Suicide-related behaviours are common in Chinese schizophrenia patients. Due to the high mortality risk, regular screening and effective suicide prevention programmes are warranted.

Keywords

Chinameta-analysisschizophreniasuicide
Type
Original Articles
Information
Epidemiology and Psychiatric Sciences , Volume 28 , Issue 3 , June 2019 , pp. 290 - 299
Copyright
Copyright © Cambridge University Press 2017 

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Footnotes

†

These authors contributed equally to the work.

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