British Journal of Sports Medicine 2008;42:944-945
EDITORIALS
Why glucocorticoids should be removed from the World Antidoping Agency’s list of banned products
University of Sydney, Australia
John W Orchard, Sports Medicine at Sydney University, Cnr. Western Ave. & Physics Rd., University of Sydney NSW 2006, Australia; jorchard@med.usyd.edu.au
Accepted 10 September 2008
| The first 150 words of the full text of this article appear below. |
Sports medicine clinicians and researchers should all be familiar with the concepts of false positives and false negatives. Research to test a hypothesis about a link between, say, a risk factor and a disease can potentially be wrong in either of two ways. The findings might falsely show a link when in reality one does not exist (a type I or 
error), or they might fail to show a link when there really is one (a type II or β error).1 2 Hopefully most of the time, if studies are well conducted, the likelihood of both of these errors is reduced.
Similar errors in both directions can potentially occur in drug testing in sport, although the nature of false positives and false negatives is somewhat different from that in other clinical testing. The rigorous methods of collection and the use of "A" and "B" samples mean that many sources of potential
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Khan, K. M
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