Sanz Arrufat 2003.

Methods	Identification of subsequent full‐length publications Searched electronic database MEDLINE, Embase, IME, ICYT, and IPA to February 2003 Person completing the search not reported Searched by first and last author Matched abstract to full‐length publication by Title Contents Methodology
Data	Included 638 abstracts presented at the 1996 to 1998 Sociedad Española de Farmacia Hospitalaria meetings Included all abstracts
Comparisons	Proportion of abstracts published, overall and by meeting Subspecialty Conference year
Outcomes	92 of 638 abstracts published 30/192 abstracts presented at the 1996 meeting, 27/202 at the 1997 meeting, and 35/244 at the 1998 meeting published Proportion of abstracts published by time not reported No factors other than meeting year related to proportion of abstracts published reported
Notes	Pharmacology Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts.
Search for publications?	Yes	Searched 5 databases.
Follow‐up time?	Yes	All meetings had at least 5 years follow‐up.
Matching?	Yes	Matched by 3 different criteria.
Adjustment for confounding?	No	Examined association of meeting year with publication using stratified analysis.