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Worldwide Prevalence and Burden of Functional Gastrointestinal Disorders, Results of Rome Foundation Global Study

Publicated to:GASTROENTEROLOGY. 160 (1): 99-114.e3 - 2021-01-01 160(1), DOI: 10.1053/j.gastro.2020.04.014

Authors: Sperber AD; Bangdiwala SI; Drossman DA; Ghoshal UC; Simren M; Tack J; Whitehead WE; Dumitrascu DL; Fang X; Fukudo S; Kellow J; Okeke E; Quigley EMM; Schmulson M; Whorwell P; Archampong T; Adibi P; Andresen V; Benninga MA; Bonaz B; Bor S; Fernandez LB; Choi SC; Corazziari ES; Francisconi C; Hani A; Lazebnik L; Lee YY; Mulak A; Rahman MM; Santos J; Setshedi M; Syam AF; Vanner S; Wong RK; Lopez-Colombo A; Costa V; Dickman R; Kanazawa M; Keshteli AH

Affiliations

A.I. Yevdokimov Moscow State University of Medicine and Dentistry - Author
Ben-Gurion University of the Negev - Author
Centre Hospitalier de L'Universite de Montreal - Author
Centre Hospitalier Universitaire de Grenoble - Author
Departement Chronische Ziekten, Metabolisme en Veroudering - Author
Dhaka Medical College and Hospital - Author
Ege University Medical School - Author
Federal State Institution National Research Center for Preventive Medicine - Author
Goteborg University, Sahlgrenska Academy - Author
Graduate School of Medicine - Author
Hospital de Clinicas de Porto Alegre - Author
Hospital Universitario San Ignacio - Author
Humanitas Research Hospital - Author
Israelitischen Krankenhaus - Author
Mazandaran University of Medical Sciences - Author
McMaster University - Author
Peking Union Medical College Hospital - Author
Queen's University, Kingston - Author
Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow - Author
School of Medical Sciences - Universiti Sains Malaysia - Author
School of Medicine, Isfahan UMS - Author
Tel Aviv University, Sackler Faculty of Medicine - Author
The University of North Carolina at Chapel Hill - Author
The University of Sydney - Author
UMAE Hospital de Especialidades Centro Medico Nacional Siglo XXI - Author
Universidad Nacional Autónoma de México - Author
Universitas Indonesia, RSUPN Dr. Cipto Mangunkusumo - Author
Universitatea de Medicina si Farmacie Iuliu Hatieganu din Cluj-Napoca - Author
Universiteit van Amsterdam - Author
University of Alberta - Author
University of Cape Town - Author
University of Ghana - Author
University of Jos - Author
Vall d'Hebron Institut de Recerca - Author
Weill Cornell Medicine - Author
Wonkwang University - Author
Wroclaw Medical University - Author
Wythenshawe Hospital - Author
Yong Loo Lin School of Medicine - Author
“Centro Medico Dr. Bustos Fernandez” - Author
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Abstract

© 2021 The Authors Background & Aims: Although functional gastrointestinal disorders (FGIDs), now called disorders of gut-brain interaction, have major economic effects on health care systems and adversely affect quality of life, little is known about their global prevalence and distribution. We investigated the prevalence of and factors associated with 22 FGIDs, in 33 countries on 6 continents. Methods: Data were collected via the Internet in 24 countries, personal interviews in 7 countries, and both in 2 countries, using the Rome IV diagnostic questionnaire, Rome III irritable bowel syndrome questions, and 80 items to identify variables associated with FGIDs. Data collection methods differed for Internet and household groups, so data analyses were conducted and reported separately. Results: Among the 73,076 adult respondents (49.5% women), diagnostic criteria were met for at least 1 FGID by 40.3% persons who completed the Internet surveys (95% confidence interval [CI], 39.9–40.7) and 20.7% of persons who completed the household surveys (95% CI, 20.2–21.3). FGIDs were more prevalent among women than men, based on responses to the Internet survey (odds ratio, 1.7; 95% CI, 1.6–1.7) and household survey (odds ratio, 1.3; 95% CI, 1.3–1.4). FGIDs were associated with lower quality of life and more frequent doctor visits. Proportions of subjects with irritable bowel syndrome were lower when the Rome IV criteria were used, compared with the Rome III criteria, in the Internet survey (4.1% vs 10.1%) and household survey (1.5% vs 3.5%). Conclusions: In a large-scale multinational study, we found that more than 40% of persons worldwide have FGIDs, which affect quality of life and health care use. Although the absolute prevalence was higher among Internet respondents, similar trends and relative distributions were found in people who completed Internet vs personal interviews.

Keywords
dgbiibsDgbiEpidemiologyIbs

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal GASTROENTEROLOGY due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2021, it was in position 3/93, thus managing to position itself as a Q1 (Primer Cuartil), in the category Gastroenterology & Hepatology. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 70.16. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 149.29 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 382.47 (source consulted: Dimensions Apr 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-04-02, the following number of citations:

  • WoS: 717
  • Scopus: 1269
  • OpenCitations: 1132
Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-04-02:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 1277.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 1273 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 1382.726.
  • The number of mentions on the social network Facebook: 4 (Altmetric).
  • The number of mentions on the social network X (formerly Twitter): 93 (Altmetric).
Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Australia; Brazil; Canada; Ghana; Indonesia; Israel; Malaysia; Mexico; Netherlands.