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Nicholas J Wareham Department
of Public Health and Primary Care, Institute of Public Health,
University of Cambridge, Cambridge CB2 2SR
Correspondence to: N Wareham
njw1004@medschl.cam.ac.uk
| The first 150 words of the full text of this article appear below. |
The high prevalence of undiagnosed diabetes1 and the proportion of cases with evidence of complications at diagnosis 2 3 undoubtedly create a strong imperative for screening. In the United Kingdom, the National Screening Committee has the task of providing advice about established and newly proposed screening programmes and aims to evaluate these against specified criteria.4 This article evaluates screening for type 2 diabetes in relation to these criteria.
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The condition |
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The first group of issues considered by the National Screening
Committee relates to the condition for which screening is proposed. In
the case of type 2 diabetes, these issues are relatively
uncontroversial. The scale of morbidity and mortality attributable to
diabetes is not in question,5 and the longitudinal
examination of cohorts has established the overall course of the
condition.6 Undiagnosed diabetes is common7;
it is not generally characterised by recognised symptoms and is as
strongly associated with future risk as diagnosed diabetes.8 Up to 25%
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