Assessing the impact of diabetes-related comorbidities and care on the hospitalization costs for patients with diabetes mellitus in Japan

Dulamsuren Lkhagva, Kazuaki Kuwabara, Shinya Matsuda, Yan Gao, Akira Babazono

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Objective: Because diabetes mellitus (DM) has been highlighted in several healthcare sectors, variations in the case mix of DM should be evaluated to promote effective disease management. Using a Japanese administrative database (2003), we investigated the impact of DM-related comorbidities and of their relevant care processes on healthcare costs incurred during hospitalization. Methods: Of 283,771 hospital admissions across 174 acute care hospitals, 27,853 patients with DM were analyzed. The following variables were analyzed according to age (<65 or ≥65 years), the presence of comorbidities, demographic characteristics, procedure-related complications, insulin use, surgical procedures (percutaneous minimally invasive intervention, hemodialysis, ventilation, and rehabilitation), length of stay (LOS), and total charge (TC; US$1=Y90). Multivariate analyses were applied to investigate the effects of DM-related complications and care processes associated with DM on TC. Results: The mortality and procedure-related complication rates were 2.1% and 2.7%, respectively. There were significant differences in the frequencies of comorbidities by age category. Among DM-related comorbidities, peripheral vascular disease had the greatest impact on increasing the LOS or TC. Minimally invasive procedures, hemodialysis, ventilation, and procedure-related complications were significant determinants of TC. Hemodialysis and invasive surgical procedures were independent predictors of procedure-related complications. Conclusions: DM-related comorbidities and care process representative of the DM case mix were responsible for variations in healthcare costs during hospitalization.

Original languageEnglish
Pages (from-to)129-136
Number of pages8
JournalJournal of Diabetes and its Complications
Volume26
Issue number2
DOIs
Publication statusPublished - Mar 1 2012

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Comorbidity
Diabetes Mellitus
Japan
Hospitalization
Costs and Cost Analysis
Renal Dialysis
Diagnosis-Related Groups
Health Care Costs
Ventilation
Length of Stay
Health Care Sector
Minimally Invasive Surgical Procedures
Peripheral Vascular Diseases
Diabetes Complications
Disease Management
Rehabilitation
Multivariate Analysis
Demography
Databases
Insulin

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Assessing the impact of diabetes-related comorbidities and care on the hospitalization costs for patients with diabetes mellitus in Japan. / Lkhagva, Dulamsuren; Kuwabara, Kazuaki; Matsuda, Shinya; Gao, Yan; Babazono, Akira.

In: Journal of Diabetes and its Complications, Vol. 26, No. 2, 01.03.2012, p. 129-136.

Research output: Contribution to journalArticle

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AU - Gao, Yan

AU - Babazono, Akira

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