Researchers got it right in estimating numbers of doctors lost from NHSBMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7209.579 (Published 28 August 1999) Cite this as: BMJ 1999;319:579
- Michael Goldacre, unit director,
- Trevor Lambert, statistician (email@example.com)
- UK Medical Careers Research Group, Oxford University, Oxford OX3 7LF
EDITOR—Hall questions the independence of the two methods we used to identify doctors working in the NHS and therefore questions the results obtained by our use of capture-recapture analysis.1 2 He assumes that both methods depend on doctors' propensity to respond to inquiries. They do not.
We identified doctors working in the NHS by using two fundamentally different approaches. In both cases, the …