Come clean if you don’t knowBMJ 2011; 342 doi: http://dx.doi.org/10.1136/bmj.d3044 (Published 17 May 2011) Cite this as: BMJ 2011;342:d3044
- Kevin P Barraclough, general practitioner1
- 1Hoynad House, Painswick, Gloucestershire GL6 6RD, UK
The correspondence to Heath’s article suggests that understanding a simple statistical problem is either difficult or not relevant.1 2 3 But it is critically relevant. Most of the symptoms, signs, and tests that doctors rely on have poor performance characteristics. They are certainly much less …
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