Estimating and Examining the Costs of Inpatient Diabetes Care in an Irish Public Hospital

Kathleen Michelle Friel, Patrick Gillepsie, Vivien Coates, Claire-Odile McCauley, Michael McCann, Maurice OKane, Karen McGuigan, Amjed Khamis, Matthew Manktelow

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Abstract

Aim: To estimate and examine hospitalisation costs of Type 1 and Type 2 diabetes in an Irish public hospital. Methods: A retrospective audit of hospital inpatient admissions over a 5-year period was undertaken, and a wide range of admission-related data were collected for a sample of 7,548 admissions. Hospitalisations were costed using the diagnosis-related group methodology. A series of descriptive, univariate and multivariate regression analyses were undertaken. Results: The mean hospitalisation cost for Type 1 diabetes was €4,027 and for Type 2 diabetes was €5,026 per admission. Sex, admission type and length of stay were significantly associated with hospitalisation costs for admissions with a primary diagnosis of Type 1 diabetes. Age, admission type, diagnosis status, complications status, discharge destination, length of stay and year were significantly associated with hospitalisation costs for admissions with a primary diagnosis of Type 2 diabetes. Length of stay was associated with higher mean costs, with each additional day increasing Type 1 diabetes costs by €260 (p = 0.001) and Type 2 diabetes by €216 (p < 0.001). Unscheduled admissions were associated with significantly lower costs than elective admissions; €1,578 (p = 0.035) lower for Type 1 diabetes and €2,108 (p < 0.001) lower for Type 2 diabetes. Conclusions: This study presents estimates of the costs of diabetes care in the Irish public hospital system and identifies the factors which influence costs for Type 1 and Type 2 diabetes. These findings may be of interest to patients, the public, researchers and those with influence over diabetes policy and practice in Ireland and internationally.

Original languageEnglish
Article numbere14753
Pages (from-to)1-11
Number of pages11
JournalDiabetic medicine
Early online date4 Dec 2021
DOIs
Publication statusE-pub ahead of print - 4 Dec 2021

Keywords

  • Costs
  • Economic impact
  • Diabetes Mellitus
  • Inpatients
  • Length of stay
  • Hospitalisation
  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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