Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx

Objective<p>Although obesity is widely reported as an established risk factor for gastroesophageal reflux disease (GERD), divergent findings exist across studies. To address the problems of obsolete data and conflicting findings in previous studies, we conducted a systematic review and meta-an...

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Hoofdauteur: Mao Yiqing (22686374) (author)
Andere auteurs: Zhang Yangyang (11921629) (author), Hu Lanshuo (22686377) (author), Zhang Wenhao (22686380) (author), An Yixin (22686383) (author), Zhao Yingpan (22686386) (author), Tang Xudong (22686389) (author)
Gepubliceerd in: 2025
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_version_ 1849927624722219008
author Mao Yiqing (22686374)
author2 Zhang Yangyang (11921629)
Hu Lanshuo (22686377)
Zhang Wenhao (22686380)
An Yixin (22686383)
Zhao Yingpan (22686386)
Tang Xudong (22686389)
author2_role author
author
author
author
author
author
author_facet Mao Yiqing (22686374)
Zhang Yangyang (11921629)
Hu Lanshuo (22686377)
Zhang Wenhao (22686380)
An Yixin (22686383)
Zhao Yingpan (22686386)
Tang Xudong (22686389)
author_role author
dc.creator.none.fl_str_mv Mao Yiqing (22686374)
Zhang Yangyang (11921629)
Hu Lanshuo (22686377)
Zhang Wenhao (22686380)
An Yixin (22686383)
Zhao Yingpan (22686386)
Tang Xudong (22686389)
dc.date.none.fl_str_mv 2025-11-26T05:14:46Z
dc.identifier.none.fl_str_mv 10.3389/fphys.2025.1675457.s001
dc.relation.none.fl_str_mv https://figshare.com/articles/dataset/Data_Sheet_1_Association_between_body_mass_index_at_different_levels_and_risk_of_gastroesophageal_reflux_disease_a_systematic_review_with_dose-response_meta-analysis_docx/30717584
dc.rights.none.fl_str_mv CC BY 4.0
info:eu-repo/semantics/openAccess
dc.subject.none.fl_str_mv Physiology
body mass index
BMI
obesity
gastroesophageal reflux disease
prevalence
systematic review
dc.title.none.fl_str_mv Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
dc.type.none.fl_str_mv Dataset
info:eu-repo/semantics/publishedVersion
dataset
description Objective<p>Although obesity is widely reported as an established risk factor for gastroesophageal reflux disease (GERD), divergent findings exist across studies. To address the problems of obsolete data and conflicting findings in previous studies, we conducted a systematic review and meta-analysis to explore the association between body mass index (BMI) and GERD.</p>Methods<p>We searched Pubmed, Embase, Cochrane Library, and Web of Science for relevant studies, and obtained the prevalence of symptomatic gastroesophageal reflux (symptomatic GER) or GERD from the original studies for the different BMI groups. International BMI cut-off points were adopted to define underweight, overweight, and obesity. Meta-analysis of this association was performed by calculating the combined relative risk (RR) and 95% confidence intervals (95% CI) using a random-effects model. In addition, subgroup and dose-response analyses were performed to explore subgroup differences and the association between BMI and GERD.</p>Results<p>Analysis of 43 papers (39 cross-sectional studies, 4 case-control studies) with a total of 484,219 study participants showed that BMI was associated with the risk of symptomatic GER (RR = 2.041, 95% CI: 1.507–2.763) and GERD (RR = 1.374, 95% CI: 1.260–1.499). The results of the meta-analysis across different BMI groups suggest that, overweight (BMI ≥25 kg/m<sup>2</sup>) was an important inflection point for the risk of the diseases. In subgroup analyses comparing obese and non-obese populations, we incorporated other obesity diagnostic indicators and found that these might be a significant source of heterogeneity (p = 0.015). Dose-response analysis showed that for every 10 kg/m<sup>2</sup> increase in BMI, the risk of prevalence of gastroesophageal reflux disease increased by 68% (RR = 1.681, 95% CI: 1.326–2.131).</p>Conclusion<p>Elevated BMI increases the risk of symptomatic GER and GERD, and BMI is positively and linearly correlated with the risk of GERD. Overweight is an important inflection point for disease risk. High-quality prospective cohort studies are needed to explore the causality between the two factors and underlying mechanisms in the future.</p>
eu_rights_str_mv openAccess
id Manara_86ec9c6b604079ad9a08485f07088a68
identifier_str_mv 10.3389/fphys.2025.1675457.s001
network_acronym_str Manara
network_name_str ManaraRepo
oai_identifier_str oai:figshare.com:article/30717584
publishDate 2025
repository.mail.fl_str_mv
repository.name.fl_str_mv
repository_id_str
rights_invalid_str_mv CC BY 4.0
spelling Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docxMao Yiqing (22686374)Zhang Yangyang (11921629)Hu Lanshuo (22686377)Zhang Wenhao (22686380)An Yixin (22686383)Zhao Yingpan (22686386)Tang Xudong (22686389)Physiologybody mass indexBMIobesitygastroesophageal reflux diseaseprevalencesystematic reviewObjective<p>Although obesity is widely reported as an established risk factor for gastroesophageal reflux disease (GERD), divergent findings exist across studies. To address the problems of obsolete data and conflicting findings in previous studies, we conducted a systematic review and meta-analysis to explore the association between body mass index (BMI) and GERD.</p>Methods<p>We searched Pubmed, Embase, Cochrane Library, and Web of Science for relevant studies, and obtained the prevalence of symptomatic gastroesophageal reflux (symptomatic GER) or GERD from the original studies for the different BMI groups. International BMI cut-off points were adopted to define underweight, overweight, and obesity. Meta-analysis of this association was performed by calculating the combined relative risk (RR) and 95% confidence intervals (95% CI) using a random-effects model. In addition, subgroup and dose-response analyses were performed to explore subgroup differences and the association between BMI and GERD.</p>Results<p>Analysis of 43 papers (39 cross-sectional studies, 4 case-control studies) with a total of 484,219 study participants showed that BMI was associated with the risk of symptomatic GER (RR = 2.041, 95% CI: 1.507–2.763) and GERD (RR = 1.374, 95% CI: 1.260–1.499). The results of the meta-analysis across different BMI groups suggest that, overweight (BMI ≥25 kg/m<sup>2</sup>) was an important inflection point for the risk of the diseases. In subgroup analyses comparing obese and non-obese populations, we incorporated other obesity diagnostic indicators and found that these might be a significant source of heterogeneity (p = 0.015). Dose-response analysis showed that for every 10 kg/m<sup>2</sup> increase in BMI, the risk of prevalence of gastroesophageal reflux disease increased by 68% (RR = 1.681, 95% CI: 1.326–2.131).</p>Conclusion<p>Elevated BMI increases the risk of symptomatic GER and GERD, and BMI is positively and linearly correlated with the risk of GERD. Overweight is an important inflection point for disease risk. High-quality prospective cohort studies are needed to explore the causality between the two factors and underlying mechanisms in the future.</p>2025-11-26T05:14:46ZDatasetinfo:eu-repo/semantics/publishedVersiondataset10.3389/fphys.2025.1675457.s001https://figshare.com/articles/dataset/Data_Sheet_1_Association_between_body_mass_index_at_different_levels_and_risk_of_gastroesophageal_reflux_disease_a_systematic_review_with_dose-response_meta-analysis_docx/30717584CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/307175842025-11-26T05:14:46Z
spellingShingle Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
Mao Yiqing (22686374)
Physiology
body mass index
BMI
obesity
gastroesophageal reflux disease
prevalence
systematic review
status_str publishedVersion
title Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
title_full Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
title_fullStr Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
title_full_unstemmed Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
title_short Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
title_sort Data Sheet 1_Association between body mass index at different levels and risk of gastroesophageal reflux disease: a systematic review with dose-response meta-analysis.docx
topic Physiology
body mass index
BMI
obesity
gastroesophageal reflux disease
prevalence
systematic review