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Lower folate levels in schizophrenia: A meta-analysis
Bing Cao1, Dong-Fang Wang1, Mei-Yan Xu2
1School of Public Health, Peking University, Beijing 100191, PR China.
Psychiatry Research
|August 14, 2016
Summary
This meta-analysis found significantly lower folate levels in schizophrenia patients compared to healthy individuals. Further research is needed to determine if folate supplementation is beneficial for schizophrenia treatment.
Area of Science:
- Neuroscience
- Nutritional Psychiatry
Background:
- Schizophrenia is a complex mental disorder with multifactorial etiology.
- Nutritional factors, including folate, are increasingly investigated for their role in psychiatric conditions.
Purpose of the Study:
- To conduct a meta-analysis estimating the association between folate levels and schizophrenia.
- To provide evidence to inform potential treatment strategies for schizophrenia.
Main Methods:
- Systematic review and meta-analysis of published studies.
- Inclusion of 20 articles with 1463 schizophrenia cases and 1276 controls.
- Evaluation of folate level association using standardized mean difference (SMD) and 95% confidence intervals (CI).
Main Results:
- A statistically significant lower folate level was observed in schizophrenia cases compared to healthy controls.
- Subgroup analysis indicated lower folate levels in Asian schizophrenia cases.
- Sensitivity analysis and funnel plots confirmed the reliability and lack of publication bias.
Conclusions:
- Schizophrenia patients exhibit lower folate levels, suggesting a potential link.
- Further epidemiological and laboratory studies are required to confirm the necessity and efficacy of folate supplementation in schizophrenia management.
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