Authors’ replyBMJ 2010; 341 doi: https://doi.org/10.1136/bmj.c5821 (Published 19 October 2010) Cite this as: BMJ 2010;341:c5821
- M Gillett, research fellow1,
- S Dixon, reader in health economics1
- On behalf of H M Dallosso, A Brennan, M E Carey, M J Campbell, S Heller, K Khunti, T C Skinner, and M J Davies.
- 1School of Health and Related Research, University of Sheffield, Sheffield, UK
Yudkin highlights an important problem when evaluating interventions based on simple risk equations.1 The macrovascular risks within the Sheffield type 2 diabetes model1 are based on the UK Prospective Diabetes Study (UKPDS) risk engines,2 3 in which categorisation of smoking status is dichotomous—current at diagnosis or not. The …
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