Bydder 2004.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed to August 2002 Person completing the search not reported Searched by presenter and keywords Matching criteria not reported
Data	Included 481 abstracts presented at the 1996 to 1999 Royal Australian and New Zealand College of Radiologists meetings Included all abstracts of "free" papers
Comparisons	Proportion of abstracts published, overall and by meeting Mean and median time to publication Cumulative proportion of abstracts published Oral versus poster presentation Diagnostic versus oncology studies
Outcomes	168 of 481 abstracts published 42/117 abstracts presented at the 1996 meeting, 28/97 at the 1997 meetings, 59/163 at the 1998 meeting, and 39/104 at the 1999 meeting published Proportion of abstracts published by time Mean time to publication = 16.5 months Median time to publication = 17 months Cumulative proportion of abstracts published at 36 months showed proportion published = 32.4% (156/481 abstracts) Factors related to proportion of abstracts published included 108/279 abstracts presented orally versus 60/202 abstracts presented as poster published  74/254 abstracts describing diagnostic studies versus 94/227 abstracts of oncology studies published
Notes	Radiology Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts of "free" papers.
Search for publications?	No	Searched only 1 database.
Follow‐up time?	Yes	All meetings before 1999 had at least 48 months follow‐up. The meeting in 1999 had 36 months follow‐up.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	No	Examined association of meeting year, type presentation, and type science with publication using stratified analysis and Chi2 tests.