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J Health Serv Res Policy · Oct 1996
Comparative StudyThe cost and effectiveness of the London Helicopter Emergency Medical Service.
- J Brazier, J Nicholl, and H Snooks.
- Medical Care Research Unit, University of Sheffield, UK.
- J Health Serv Res Policy. 1996 Oct 1;1(4):232-7.
ObjectivesTo assess the incremental consequences of the London Helicopter Emergency Medical Service (HEMS) for the outcomes of survivors in terms of disability and health status, and cost.MethodsProspective comparison of outcomes in cohorts of seriously injured patients attended either by the HEMS or by paramedically crewed land ambulances. In survivors, disability was assessed using an 11-point disability scale, and general health status was measured by the six dimensions of the 100-point Nottingham Health Profile (NHP) assessed 6 months after the injury. Costs were estimated for the HEMS and associated facilities at the Royal London Hospital, and the extra admissions attributable to the HEMS.ResultsThere was no evidence of reduced disability in HEMS survivors (estimate: +0.8 disability grades worse; 95% CI: 0, 1.6), and no evidence of improvement in the six NHP dimensions scores or in the mean number of problems with seven aspects of daily living (estimated difference: +0.5; 95% CI: -0.2, 1.2). The incremental costs of HEMS were estimated to be 2.0 Pounds million a year.ConclusionAs there is no evidence of any improvement in outcomes overall for the extra cost, the HEMS has not been found to be a cost-effective service.
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