Family Practice, Vol 15, 216-222, Copyright © 1998 by World Organization of Family Doctors
A Scott, N Currie and C Donaldson
BACKGROUND: Innovation in primary care in the UK, in terms of new service
developments, is occurring at a fast pace. However, little information is
available on the costs and benefits of these changes. OBJECTIVES: We aimed
to illustrate the use of programme budgeting and marginal analysis (PBMA)
as a framework for evaluating innovation in primary care, using an example
of practice-based diabetes care. The aim was to examine changes in the use
of practice resources and the changes in benefits to patients, following
the introduction of a diabetes clinic. METHODS: PBMA is a form of pragmatic
economic evaluation combining practice data for the 'before' period and
data from the literature to model the 'after' period. RESULTS: In 1995/6,
the total amount of resources devoted to diabetes care in the two practices
was 145813 pound sterling (634 pound sterling per patient). Of this sum,
62% was allocated to out-patient visits, 28% to prescribing, 5% to hospital
admissions, 2% to GP consultations and 2% to tests. The literature suggests
that a nurse-run diabetes clinic would result in similar health outcomes
and better access for patients. The introduction of such a clinic could
potentially save each practice between 2000 pound sterling and 16000 pound
sterling per year. This result takes into account a wide range of
assumptions about changes in resource use, but does depend on the findings
of previous studies. CONCLUSIONS: The results of this study show that PBMA
is a useful framework for helping practices be accountable and make
'evidence- based' decisions about service innovations in primary care.
ORIGINAL CLINICAL RESEARCH
Evaluating innovation in general practice: a pragmatic framework using programme budgeting and marginal analysis
Health Economics Research Unit, Department of Public Health, University of Aberdeen, Foresterhill, UK.
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