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Randomized Controlled Trial
. 2009 Oct 14;4(10):e7455.
doi: 10.1371/journal.pone.0007455.

Cost-effectiveness of an intervention to reduce emergency re-admissions to hospital among older patients

Nicholas Graves  1 , Mary Courtney, Helen Edwards, Anne Chang, Anthony Parker, Kathleen Finlayson
Affiliations
Randomized Controlled Trial

Cost-effectiveness of an intervention to reduce emergency re-admissions to hospital among older patients

Nicholas Graves et al. PLoS One. .

Abstract

Background: The objective is to estimate the cost-effectiveness of an intervention that reduces hospital re-admission among older people at high risk. A cost-effectiveness model to estimate the costs and health benefits of the intervention was implemented.

Methodology/principal findings: The model used data from a randomised controlled trial conducted in an Australian tertiary metropolitan hospital. Participants were acute medical admissions aged >65 years with at least one risk factor for re-admission: multiple comorbidities, impaired functionality, aged >75 years, recent multiple admissions, poor social support, history of depression. The intervention was a comprehensive nursing and physiotherapy assessment and an individually tailored program of exercise strategies and nurse home visits with telephone follow-up; commencing in hospital and continuing following discharge for 24 weeks. The change to cost outcomes, including the costs of implementing the intervention and all subsequent use of health care services, and, the change to health benefits, represented by quality adjusted life years, were estimated for the intervention as compared to existing practice. The mean change to total costs and quality adjusted life years for an average individual over 24 weeks participating in the intervention were: cost savings of $333 (95% Bayesian credible interval $ -1,932:1,282) and 0.118 extra quality adjusted life years (95% Bayesian credible interval 0.1:0.136). The mean net-monetary-benefit per individual for the intervention group compared to the usual care condition was $7,907 (95% Bayesian credible interval $5,959:$9,995) for the 24 week period.

Conclusions/significance: The estimation model that describes this intervention predicts cost savings and improved health outcomes. A decision to remain with existing practices causes unnecessary costs and reduced health. Decision makers should consider adopting this program for elderly hospitalised patients.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. State transition Markov model.
Figure 2
Figure 2. Number of days spent in an acute hospital and community care facility.
Figure 3
Figure 3. Joint distribution of cost and QALY outcomes.
Figure 4
Figure 4. Cost-effectiveness acceptability curves.
See this image and copyright information in PMC

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