Proportion of what? Of all initiated or all completed RCTs? That makes huge differences because it is
moving the denominator into different orders of magnitude. Remember that 50% of all trials are not published.
It is certainly far less than 80 - 90 %.
Best wishes Gerd
On Wed, Apr 08, 2015 at 01:07:17PM +0100, Jon Brassey wrote:
> Hi All,
> Any idea what proportion of published RCTs appear in Medline? I'm
> guessing it's around 80-90% but would like to know if there are any
> references out there?
> Best wishes
> jon
--
Gruesse Gerd Antes
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Prof. Dr. Gerd Antes T: +49 (0)761 203-6706 (Sekr. -6715) F: -6712
Deutsches Cochrane Zentrum / German Cochrane Centre www.cochrane.de
Universitaetsklinikum Freiburg Berliner Allee 29 D-79110 Freiburg
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