Global Prevalence of Metabolic Syndrome in Schizophrenia Patients: A Systematic Review and Meta-Analysis

Nader Salari, Nima Maghami, Theo Ammari, Hadis Mosafer, Reza Abdullahi, Shabnam Rasoulpoor, Fateme Babajani, Bahareh Mahmodzadeh, Masoud Mohammadi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The prevalence of metabolic syndrome in patients with schizophrenia has significantly increased and can be associated with severe complications such as chronic diseases and mortality. Despite numerous studies, a comprehensive estimate of the prevalence of metabolic syndrome in schizophrenia patients is lacking. Therefore, this study aimed to estimate the global prevalence of metabolic syndrome in schizophrenia patients through a systematic review and meta-analysis. This study was conducted as a systematic review and meta-analysis based on PRISMA guidelines without time restrictions until April 1, 2024. Relevant articles were identified through searches in databases including Scopus, Web of Science (WoS), PubMed, Science Direct, Embase, and Google Scholar, using key terms combined with AND & OR operators. After removing duplicates and conducting primary and secondary screening, 12 studies were included in the meta-analysis. Data were analysed using the random-effects model in Comprehensive Meta-Analysis Version 2 software. This analysis included 12 studies with 1,953 participants. The pooled prevalence of metabolic syndrome was 41.3% (95% CI: 28.8–55.1), with significant heterogeneity (I2: 96.3%). The highest prevalence was reported in France (79.1%) and the lowest in China (18.03%). Over one-third of patients with schizophrenia are affected by metabolic syndrome. Hence, greater attention should be paid to the prevention and reduction of complications and mortality associated with metabolic syndrome in schizophrenia patients.

Original languageEnglish
Pages (from-to)973-986
Number of pages14
JournalJournal of Prevention
Volume45
Issue number6
DOIs
Publication statusPublished - Dec 2024
Externally publishedYes

Keywords

  • Meta-analysis
  • Metabolic syndrome
  • Schizophrenia
  • Systematic review

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