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Critical Care
Published in: Critical Care 1/2017

Open Access 01-12-2017 | Research

Cost analysis of the very elderly admitted to intensive care units

Authors: Nicolas Chin-Yee, Gianni D’Egidio, Kednapa Thavorn, Daren Heyland, Kwadwo Kyeremanteng

Published in: Critical Care | Issue 1/2017

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Abstract

Background

Very elderly patients are often admitted to intensive care units (ICUs) despite poor outcomes and frequent preference to avoid unnecessary prolongation of life. We sought to determine the cost of ICU admission for the very elderly and the factors influencing this cost.

Methods

This prospective, observational cohort study included patients ≥80 years old admitted to 22 Canadian ICUs from 2009 to 2013. A subset of consenting individuals comprised a longitudinal cohort followed over 12 months. Costs were calculated from ICU length of stay and unit costs for ICU admission from a Canadian academic hospital. A generalized linear model was employed to identify cost-predictive variables.

Results

In total, 1671 patients were included; 610 were enrolled in the longitudinal cohort. The average age was 85 years; median ICU length of stay was 4 days. Mortality was 35% (585/1671) in hospital and 41% (253/610) at 12 months. The average cost of ICU admission per patient was $31,679 ± 65,867. Estimated ICU costs were $48,744 per survivor to discharge and $61,783 per survivor at 1 year. For both decedents and survivors, preference for comfort measures over life support was an independent predictor for lower cost (P < 0.01).

Conclusions

Considering the poor clinical outcomes, and that many ICU admissions may be undesired by very elderly patients, ICU costs in this population are substantial. Our finding that a preference for comfort care predicted a lower cost independent of mortality reinforces the importance of early goals of care discussions to avoid both undesired and potentially non-beneficial interventions, consequently reducing costs.

Trial registration

ClinicalTrials.gov, NCT01293708. Registered on 10 February 2011.
Appendix
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Metadata
Title
Cost analysis of the very elderly admitted to intensive care units
Authors
Nicolas Chin-Yee
Gianni D’Egidio
Kednapa Thavorn
Daren Heyland
Kwadwo Kyeremanteng
Publication date
01-12-2017
Publisher
BioMed Central
Published in
Critical Care / Issue 1/2017
Electronic ISSN: 1364-8535
DOI
https://doi.org/10.1186/s13054-017-1689-y

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