Dyer, BP, Rathod-Mistry, T, Burton, CL, van der Windt, DA and Bucknall, M (2023) Diabetes as a risk factor for the onset of frozen shoulder: a systematic review and meta-analysis. BMJ Open, 13 (1). e062377 - ?. ISSN 2044-6055

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OBJECTIVE: Summarise longitudinal observational studies to determine whether diabetes (types 1 and 2) is a risk factor for frozen shoulder. DESIGN: Systematic review and meta-analysis. DATA SOURCES: MEDLINE, Embase, AMED, PsycINFO, Web of Science Core Collection, CINAHL, Epistemonikos, Trip, PEDro, OpenGrey and The Grey Literature Report were searched on January 2019 and updated in June 2021. Reference screening and emailing professional contacts were also used. ELIGIBILITY CRITERIA: Longitudinal observational studies that estimated the association between diabetes and developing frozen shoulder. DATA EXTRACTION AND SYNTHESIS: Data extraction was completed by one reviewer and independently checked by another using a predefined extraction sheet. Risk of bias was judged using the Quality In Prognosis Studies tool. For studies providing sufficient data, random-effects meta-analysis was used to derive summary estimates of the association between diabetes and the onset of frozen shoulder. RESULTS: A meta-analysis of six case-control studies including 5388 people estimated the odds of developing frozen shoulder for people with diabetes to be 3.69 (95% CI 2.99 to 4.56) times the odds for people without diabetes. Two cohort studies were identified, both suggesting diabetes was associated with frozen shoulder, with HRs of 1.32 (95% CI 1.22 to 1.42) and 1.67 (95% CI 1.46 to 1.91). Risk of bias was judged as high in seven studies and moderate in one study. CONCLUSION: People with diabetes are more likely to develop frozen shoulder. Risk of unmeasured confounding was the main limitation of this systematic review. High-quality studies are needed to confirm the strength of, and understand reasons for, the association. PROSPERO REGISTRATION NUMBER: CRD42019122963.

Item Type: Article
Additional Information: © Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY. Published by BMJ. https://creativecommons.org/licenses/by/4.0/ This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.
Subjects: R Medicine > RA Public aspects of medicine
R Medicine > RC Internal medicine > RC660 Diabetes
Divisions: Faculty of Medicine and Health Sciences > School of Medicine
Related URLs:
Depositing User: Symplectic
Date Deposited: 14 Feb 2023 09:34
Last Modified: 14 Feb 2023 09:34
URI: https://eprints.keele.ac.uk/id/eprint/11928

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