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Longitudinal assessment of the impact of prevalent diabetes on hospital admissions and mortality in the general population: a prospective population-based study with 19 years of follow-up

Johansson, Madeleine LU orcid ; Åkesson, Anna ; Nilsson, Peter M. LU and Melander, Olle LU orcid (2024) In BMC Public Health 24. p.1-11
Abstract
Background
Hospitalization indicates the presence of severe disease and constitutes a leading cost in health care. We aimed to prospectively assess if prevalent diabetes mellitus contributes to excess all-cause and cause-specific hospital admissions and mortality at the population level.

Methods
We used a Swedish prospective population-based cohort, including 25,642 individuals of whom 4.2% had prevalent diabetes at baseline (mean age 61.2 ± 6.8 years, age range 44.8–73.4 years). We compared the number of hospitalizations and mortality classified according to the main chapters of the 10th revision of the International Classification of Diseases (ICD-10) during follow-up using nationwide inpatient registries, comparing... (More)
Background
Hospitalization indicates the presence of severe disease and constitutes a leading cost in health care. We aimed to prospectively assess if prevalent diabetes mellitus contributes to excess all-cause and cause-specific hospital admissions and mortality at the population level.

Methods
We used a Swedish prospective population-based cohort, including 25,642 individuals of whom 4.2% had prevalent diabetes at baseline (mean age 61.2 ± 6.8 years, age range 44.8–73.4 years). We compared the number of hospitalizations and mortality classified according to the main chapters of the 10th revision of the International Classification of Diseases (ICD-10) during follow-up using nationwide inpatient registries, comparing individuals with and without prevalent diabetes, using multivariate adjusted negative binomial regression (incidence rate ratio, IRR) and Cox regression, respectively.

Results
During a median follow-up of 19 years, 18,904 subjects were hospitalized at least once [median 3 (IQR 2–6)] and 6767 (26.4%) individuals died. Overall, subjects with diabetes were hospitalized (IRR 1.83, p < 0.001) more often, and had a higher incidence rate of hospital admissions due to endocrine diseases (IRR 14.6, p < 0.001), dermatological diseases (IRR 3.7, p < 0.001), injuries and poisoning (IRR 2.7, p < 0.001), infectious diseases (IRR 2.5, p < 0.001), psychiatric diseases (IRR 2.0, p < 0.001), but also cardiovascular, hematological, genitourinary, neurologic and respiratory diseases compared with non-diabetic individuals. No difference was observed for hospital admissions due to cancer or musculoskeletal disorders. All-cause mortality was higher (HR 1.77, p < 0.001) in individuals with diabetes, with disease-specific mortality being significant only for cardiovascular and endocrine disease-related death.

Conclusions
At the population level, prevalent diabetes increased the hospitalization burden longitudinally due to diseases of most of the ICD-10 main chapters, except for cancer and musculoskeletal disorders. These novel findings challenge the current view on the spectrum of prevalent diabetes-related conditions and may have implications for screening and treatment strategies in diabetes. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
hospitalisation, diabetes mellitus
in
BMC Public Health
volume
24
article number
2948
pages
1 - 11
publisher
BioMed Central (BMC)
external identifiers
  • scopus:85207335837
  • pmid:39448967
ISSN
1471-2458
DOI
10.1186/s12889-024-20435-7
language
English
LU publication?
yes
id
550e8bf2-df1d-424d-baf7-9ed044cc7d60
date added to LUP
2024-10-24 16:19:24
date last changed
2025-06-25 02:57:17
@article{550e8bf2-df1d-424d-baf7-9ed044cc7d60,
  abstract     = {{Background<br/>Hospitalization indicates the presence of severe disease and constitutes a leading cost in health care. We aimed to prospectively assess if prevalent diabetes mellitus contributes to excess all-cause and cause-specific hospital admissions and mortality at the population level.<br/><br/>Methods<br/>We used a Swedish prospective population-based cohort, including 25,642 individuals of whom 4.2% had prevalent diabetes at baseline (mean age 61.2 ± 6.8 years, age range 44.8–73.4 years). We compared the number of hospitalizations and mortality classified according to the main chapters of the 10th revision of the International Classification of Diseases (ICD-10) during follow-up using nationwide inpatient registries, comparing individuals with and without prevalent diabetes, using multivariate adjusted negative binomial regression (incidence rate ratio, IRR) and Cox regression, respectively.<br/><br/>Results<br/>During a median follow-up of 19 years, 18,904 subjects were hospitalized at least once [median 3 (IQR 2–6)] and 6767 (26.4%) individuals died. Overall, subjects with diabetes were hospitalized (IRR 1.83, p &lt; 0.001) more often, and had a higher incidence rate of hospital admissions due to endocrine diseases (IRR 14.6, p &lt; 0.001), dermatological diseases (IRR 3.7, p &lt; 0.001), injuries and poisoning (IRR 2.7, p &lt; 0.001), infectious diseases (IRR 2.5, p &lt; 0.001), psychiatric diseases (IRR 2.0, p &lt; 0.001), but also cardiovascular, hematological, genitourinary, neurologic and respiratory diseases compared with non-diabetic individuals. No difference was observed for hospital admissions due to cancer or musculoskeletal disorders. All-cause mortality was higher (HR 1.77, p &lt; 0.001) in individuals with diabetes, with disease-specific mortality being significant only for cardiovascular and endocrine disease-related death.<br/><br/>Conclusions<br/>At the population level, prevalent diabetes increased the hospitalization burden longitudinally due to diseases of most of the ICD-10 main chapters, except for cancer and musculoskeletal disorders. These novel findings challenge the current view on the spectrum of prevalent diabetes-related conditions and may have implications for screening and treatment strategies in diabetes.}},
  author       = {{Johansson, Madeleine and Åkesson, Anna and Nilsson, Peter M. and Melander, Olle}},
  issn         = {{1471-2458}},
  keywords     = {{hospitalisation; diabetes mellitus}},
  language     = {{eng}},
  month        = {{10}},
  pages        = {{1--11}},
  publisher    = {{BioMed Central (BMC)}},
  series       = {{BMC Public Health}},
  title        = {{Longitudinal assessment of the impact of prevalent diabetes on hospital admissions and mortality in the general population: a prospective population-based study with 19 years of follow-up}},
  url          = {{http://dx.doi.org/10.1186/s12889-024-20435-7}},
  doi          = {{10.1186/s12889-024-20435-7}},
  volume       = {{24}},
  year         = {{2024}},
}