Abstract
BackgroundPoor outcomes and high resource-use are observed for frail older people discharged from acute medical units. A specialist geriatric medical intervention, to facilitate Comprehensive Geriatric Assessment, was developed to reduce the incidence of adverse outcomes and associated high resource-use in this group in the post-discharge period.ObjectiveTo examine the costs and cost-effectiveness of a specialist geriatric medical intervention for frail older people in the 90 days following discharge from an acute medical unit, compared with standard care.MethodsEconomic evaluation was conducted alongside a two-centre randomised controlled trial (AMIGOS). 433 patients (aged 70 or over) at risk of future health problems, discharged from acute medical units within 72 hours of attending hospital, were recruited in two general hospitals in Nottingham and Leicester, UK. Participants were randomised to the intervention, comprising geriatrician assessment in acute units and further specialist management, or to control where patients received no additional intervention over and above standard care. Primary outcome was incremental cost per quality adjusted life year (QALY) gained.ResultsWe undertook cost-effectiveness analysis for 417 patients (intervention: 205). The difference in mean adjusted QALYs gained between groups at 3 months was -0.001 (95% confidence interval [CI]: -0.009, 0.007). Total adjusted secondary and social care costs, including direct costs of the intervention, at 3 months were £4412 (€5624, $6878) and £4110 (€5239, $6408) for the intervention and standard care groups, the incremental cost was £302 (95% CI: 193, 410) [€385, $471]. The intervention was dominated by standard care with probability of 62%, and with 0% probability of cost-effectiveness (at £20,000/QALY threshold).ConclusionsThe specialist geriatric medical intervention for frail older people discharged from acute medical unit was not cost-effective. Further research on designing effective and cost-effective specialist service for frail older people discharged from acute medical units is needed.Trial RegistrationISRCTN registry ISRCTN21800480 http://www.isrctn.com/ISRCTN21800480
Highlights
In the UK, early and rapid hospital triage of emergency patients is undertaken on acute medical units (AMU)
The specialist geriatric medical intervention for frail older people discharged from acute medical unit was not cost-effective
Further research on designing effective and cost-effective specialist service for frail older people discharged from acute medical units is needed
Summary
In the UK, early and rapid hospital triage of emergency patients is undertaken on acute medical units (AMU). We developed a specialist geriatric medical intervention for older people at risk of adverse outcomes following discharge from acute medical units, to facilitate CGA aiming to reduce the incidence of adverse outcomes and associated high resource-use. This intervention comprised geriatrician assessment of patients on the AMU and further short term community follow-up to continue the assessment and oversight of the delivery of medical and non-medical community interventions. A specialist geriatric medical intervention, to facilitate Comprehensive Geriatric Assessment, was developed to reduce the incidence of adverse outcomes and associated high resource-use in this group in the post-discharge period
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