heart disease

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understandinguncertainty.org was produced by the Winton programme for the public understanding of risk based in the Statistical Laboratory in the University of Cambridge. The aim was to help improve the way that uncertainty and risk are discussed in society, and show how probability and statistics can be both useful and entertaining.

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Heart disease screening: where did the uncertainty go?

Submitted by kevin on Tue, 10/05/2011 - 1:19pm

The UK news media have reported quite extensively a newly published paper by Wald, Simmonds and Morris on screening for cardiovascular disease (CVD) - that is, disease of the heart and blood vessels (principally heart attacks and strokes). The paper concluded that screening should be based on the patient's age alone, and not on other risk factors for CVD. But I'm not going to examine the conclusion - I'm interested in the way the authors dealt with uncertainty.

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