Influence of deprivation on health care use, health care costs, and mortality in COPD
Received 20 November 2017
Accepted for publication 9 February 2018
Published 19 April 2018 Volume 2018:13 Pages 1289—1296
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Richard Russell
Peter F Collins,1–3 Rebecca J Stratton,1 Ramesh J Kurukulaaratchy,4,5 Marinos Elia1
1NIHR Nutrition Biomedical Research Centre, Faculty of Medicine, University of Southampton, Southampton General Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, Hampshire, UK; 2Nutrition and Dietetics, School of Exercise and Nutrition Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia; 3Department of Nutrition and Dietetics, Princess Alexandra Hospital, Brisbane, QLD, Australia; 4NIHR Respiratory Biomedical Research Centre, Southampton General Hospital, University Hospital Southampton NHS Foundation Trust, Southampton, Hampshire, UK; 5Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, Hampshire, UK
Background and aim: Deprivation is associated with the incidence of COPD, but its independent impact on clinical outcomes is still relatively unknown. This study aimed to explore the influence of deprivation on health care use, costs, and survival.
Methods: A total of 424 outpatients with COPD were assessed for deprivation across two hospitals. The English Index of Multiple Deprivation (IMD) was used to establish a deprivation score for each patient. The relationship between deprivation and 1-year health care use, costs, and mortality was examined, controlling for potential confounding variables (age, malnutrition risk, COPD severity, and smoking status).
Results: IMD was significantly and independently associated with emergency hospitalization (β-coefficient 0.022, SE 0.007; p=0.001), length of hospital stay, secondary health care costs (β-coefficient £101, SE £30; p=0.001), and mortality (HR 1.042, 95% CI 1.015–1.070; p=0.002). IMD was inversely related to participation in exercise rehabilitation (OR 0.961, 95% CI 0.930–0.994; p=0.002) and secondary care appointments. Deprivation was also significantly related to modifiable risk factors (smoking status and malnutrition risk).
Conclusion: Deprivation in patients with COPD is associated with increased emergency health care use, health care costs, and mortality. Tackling deprivation is complex; however, strategies targeting high-risk groups and modifiable risk factors, such as malnutrition and smoking, could reduce the clinical and economic burden.
Keywords: COPD, economics, socioeconomic, deprivation
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