Extended length of stay and related costs associated with dementia in acute care hospitals in Ireland.

Carter, LORCID logo; Yadav, A; O'Neill, SORCID logo; O'Shea, E and (2022) Extended length of stay and related costs associated with dementia in acute care hospitals in Ireland. Aging & mental health, 27 (5). pp. 911-920. ISSN 1360-7863 DOI: 10.1080/13607863.2022.2068128
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OBJECTIVE: To estimate the additional impact of dementia on in-patient length of stay (LOS) and related costs in Irish acute hospitals. Both principal and secondary diagnosis effects are estimated and valued. METHODS: This is a cross-sectional study based on administrative data collected on all public hospital in-patient discharges in Ireland for people aged 65 years and older in 2019. Coarsened exact matching (CEM) was undertaken to account for observed confounders between dementia and non-dementia groups, while generalised linear modelling (GLM) was used to compare differences in LOS. RESULTS: Patients with a principal diagnosis of dementia spent on average 17.5 (CI: 15.42, 19.56; p < .01) d longer in hospital than similar patients with no principal diagnosis of dementia. LOS was 6.7 (CI: 6.31, 7.14; p < .01) d longer for patients with a secondary diagnosis of dementia compared to similar patients with no secondary diagnosis of dementia. The additional annual cost of care for patients in hospitals with a secondary (principal) diagnosis of dementia was €62.0 million (€13.2 million). CONCLUSIONS: This study highlights the economic impact of extended LOS for patients with dementia in Irish acute hospitals. Addressing specific dementia-related needs of people in hospital is likely to optimise resource use and decrease health care costs in acute care settings.


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This is an author accepted manuscript version of an article accepted for publication, and following peer review. Please be aware that minor differences may exist between this version and the final version if you wish to cite from it.
Available under Creative Commons: Attribution-NonCommercial-No Derivative Works 4.0

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