Background Substantial uncertainty exists about the prevalence of depression in patients with gastric cancer. We aimed to summarise the global and regional pooled prevalence of depression among patients with gastric cancer.
Method Up to February 2020, we searched PubMed/MEDLINE, Embase, Scopus, Web of science (ISI) and PsychINFO to identify published studies on the prevalence of depression among patients with gastric cancer. The study selection procedure was in accordance to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We estimated the prevalence of depression in gastric cancer patients using a random-effect pooled estimate analysis approach with subgroup analysis based on WHO regions, and methods of depression measurement.
Results Totally, we retrieved 3781 studies from the previously mentioned databases, of which 18 (12 cross-sectional and 6 cohort studies in design) met the eligibility criteria, which were published from 2001 to 2017 in different regions. The total sample size of the included studied contained 4709 patients with gastric cancer, of which 1885 cases were diagnosed with depression. The pooled prevalence of depression among gastric cancer patients was 37%(95% CI: 26% to 48%). Subgroup analysis showed that the highest prevalence of depression was in Eastern Mediterranean (pooled prevalence=42%; 95% CI: 18% to 65%) followed by the Western Pacific region (pooled prevalence=40%;95% CI: 26% to 54%). The results indicated a significant heterogeneity (I 2=98.8%,P<0.05).
Conclusion Our findings indicated that depression is high among gastric cancer patients. The findings suggest health authorities to provide specially designed social and psychological supportive care services, including screening for depression, among such patients.
PROSPERO registration number CRD42020139836.
- gastrointestinal (upper)
- quality of life
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Correction notice This article has been updated since it was first published. The article type has been changed to Systematic review.
Contributors HAG and MD contributed to the design and implementation of the study, analysis and interpretation of data and were involved in drafting the manuscript. MD and MK contributed to the design and implementation of the study, interpretation of data and were involved in drafting and revising the manuscript. HHG contributed to the conception and design of data and drafting the manuscript. RG and MF contributed to the design and implementation of the study and were involved in drafting and revising the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors. This study was funded by Shahroud University of Medical Sciences. Shahroud, Iran (Shahroud University of Medical Sciences, Grant no: 9822).
Disclaimer This study was funded by Shahroud University of Medical Sciences. Shahroud, Iran (Shahroud University of Medical Sciences, Grant no: 9822).
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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