Tieman 2010.

Methods	Identification of subsequent full‐length publications Searched electronic database MEDLINE, Embase, CINAHL, PsycINFO to 2004 Person completing the search not reported Searched by all authors, keywords, and index terms Matching criteria not reported
Data	Included 1338 abstracts identified for inclusion in "CareSearch", a database of palliative care grey literature Included all abstracts presented from 1980 up to 1999
Comparisons	Proportion of abstracts published Oral versus plenary versus poster versus workshop presentation Subspecialty
Outcomes	213 of 1338 abstracts published Proportion of abstracts published by time not reported Factors related to proportion of abstracts published included 17.4% of abstracts presented orally versus 14.8% of abstracts presented in plenary sessions versus 14.3% of abstracts presented as posters versus 6.5% of abstracts presented as workshops published
Notes	General medicine/primary care ‐ palliative care Funding by Palliative Care Section of the Commonwealth Department of Health and Ageing and the National Reference Group
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts within the CareSearch database.
Search for publications?	Yes	Searched 4 databases.
Follow‐up time?	Yes	All meetings had at least 5 years follow‐up.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	No	Examined association of type presentation and subspecialty with publication using stratified analysis.