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Association of comorbidity with healthcare utilization in people living With dementia, 2010–2019: a population-based cohort study

Zhang, Yingyang, Luo, Hao, Lum, Terry Y.S., Knapp, Martin ORCID: 0000-0003-1427-0215, Vetrano, Davide L., Chui, Celine C.S., Wang, Pengcheng and Wong, Gloria H.Y. (2023) Association of comorbidity with healthcare utilization in people living With dementia, 2010–2019: a population-based cohort study. Dementia. ISSN 1471-3012

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Identification Number: 10.1177/14713012231177593

Abstract

Evidence on the healthcare utilization associated with comorbidity in people with dementia is lacking in Chinese societies. This study aimed to quantify healthcare utilization associated with comorbidity that is common in people living with dementia. We conducted a cohort study using population-based data from Hong Kong public hospitals. Individuals aged 35+ with a dementia diagnosis between 2010 and 2019 were included. Among 88,151 participants, people with at least two comorbidities accounted for 81.2%. Estimates from negative binomial regressions showed that compared to those with one or no comorbid condition other than dementia, adjusted rate ratios of hospitalizations among individuals with six or seven and eight or more conditions were 1.97 [98.75% CI, 1.89–2.05] and 2.74 [2.63–2.86], respectively; adjusted rate ratios of Accident and Emergency department visits among individuals with six or seven and eight or more conditions were 1.53 [1.44–1.63] and 1.92 [1.80–2.05], respectively. Comorbid chronic kidney diseases were associated with the highest adjusted rate ratios of hospitalizations (1.81 [1.74–1.89]), whereas comorbid chronic ulcer of the skin was associated with the highest adjusted rate ratios of Accident and Emergency department visits (1.73 [1.61–1.85]). Healthcare utilization for individuals with dementia differed substantially by both the number of comorbid chronic conditions and the presence of some specific comorbid conditions. These findings further highlight the importance of taking account of multiple long-term conditions in tailoring the care approach and developing healthcare plans for people with dementia.

Item Type: Article
Additional Information: © The Author(s) 2023.
Divisions: Health Policy
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
H Social Sciences
Date Deposited: 25 Jul 2023 13:12
Last Modified: 23 Feb 2024 19:15
URI: http://eprints.lse.ac.uk/id/eprint/119829

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