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Comparison of incidence, rate and length of all-cause hospital admissions between adults with normoglycaemia, impaired fasting glucose and diabetes: a retrospective cohort study in Geelong, Australia

Sajjad, Muhammad Amber, Holloway, Kara L., de Abreu, Lelia L. F., Mohebbi, Mohammadreza, Kotowicz, Mark A., Pedler, Daryl and Pasco, Julie A. 2018, Comparison of incidence, rate and length of all-cause hospital admissions between adults with normoglycaemia, impaired fasting glucose and diabetes: a retrospective cohort study in Geelong, Australia, BMJ open, vol. 8, no. 3, doi: 10.1136/bmjopen-2017-020346.

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Title Comparison of incidence, rate and length of all-cause hospital admissions between adults with normoglycaemia, impaired fasting glucose and diabetes: a retrospective cohort study in Geelong, Australia
Author(s) Sajjad, Muhammad Amber
Holloway, Kara L.ORCID iD for Holloway, Kara L. orcid.org/0000-0001-5064-2990
de Abreu, Lelia L. F.
Mohebbi, MohammadrezaORCID iD for Mohebbi, Mohammadreza orcid.org/0000-0001-9713-7211
Kotowicz, Mark A.ORCID iD for Kotowicz, Mark A. orcid.org/0000-0002-8094-1411
Pedler, Daryl
Pasco, Julie A.ORCID iD for Pasco, Julie A. orcid.org/0000-0002-8968-4714
Journal name BMJ open
Volume number 8
Issue number 3
Article ID e020346
Publisher BMJ Publishing Group
Place of publication London, Eng.
Publication date 2018-03
ISSN 2044-6055
Keyword(s) diabetes mellitus
health service usage
hospitalisation
impaired fasting glucose
Science & Technology
Life Sciences & Biomedicine
Medicine, General & Internal
General & Internal Medicine
SOCIOECONOMIC-STATUS
GENERAL-POPULATION
TYPE-2
CARE
COMPLICATIONS
INTERVENTION
IMPACT
COMORBIDITY
DEFINITION
PREDICTORS
Summary OBJECTIVE: To determine whether adults with normoglycaemia, impaired fasting glucose (IFG) and diabetes differed according to the incidence, rate, length and primary reasons for hospital admission. 

DESIGN: Retrospective cohort study. 

SETTING: Barwon Statistical Division, Geelong, Australia.

PARTICIPANTS: Cohort included 971 men and 924 women, aged 20+ years, participating in the Geelong Osteoporosis Study. Glycaemic status was assessed at cohort entry using fasting plasma glucose, use of antihyperglycaemic medication and/or self-report.

PRIMARY AND SECONDARY OUTCOME MEASURES: Primary outcome measure was any admission to the major tertiary public hospital in the study region over the follow-up period. Secondary outcome measures were admission rate and length (days). 

RESULTS: Over a median follow-up of 7.4 years (IQR 5.3-9.6), participants with diabetes, compared with those with normoglycaemia, were two times as likely to be hospitalised (OR 2.07, 95% CI 1.42 to 3.02), had a higher admission rate (incidence rate ratio 1.61, 95% CI 1.17 to 2.23) and longer hospital stay (third quartile difference 7.7, 95% CI 1.3 to 14.1 and ninth decile difference 16.2, 95% CI 4.2 to 28.3). IFG group was similar to normoglycaemia for the incidence, rate and length of admission. Cardiovascular disease-related diagnoses were the most common primary reasons for hospitalisation across all glycaemic categories. 

CONCLUSIONS: Our results show increased incidence, rate and length of all-cause hospital admission in adults with diabetes as compared with normoglycaemia; however, we did not detect any associations for IFG. Interventions should focus on preventing IFG-to-diabetes progression and reducing cardiovascular risk in IFG and diabetes.
Language eng
DOI 10.1136/bmjopen-2017-020346
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2018, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution non-commercial licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30111820

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.