Author Contributions: Drs Lee and Laupacis
had full access to all of the data in the study and take responsibility for
the integrity of the data and the accuracy of the data analysis.
Study concept and design: Lee, Alter, Stukel,
Acquisition of data: Lee, Tu.
Analysis and interpretation of data: Lee, Juurlink,
Ko, Austin, Chong, Stukel, Levy, Laupacis.
Drafting of the manuscript: Lee, Chong.
Critical revision of the manuscript for important
intellectual content: Lee, Tu, Juurlink, Alter, Ko, Austin, Stukel,
Statistical analysis: Lee, Stukel, Laupacis.
Obtained funding: Lee, Tu.
Administrative, technical, or material support:
Study supervision: Alter, Laupacis.
Financial Disclosures: None reported.
Funding/Support: This study was supported by
a grant to the Canadian Cardiovascular Outcomes Research Team (http://www.ccort.ca) from the Canadian Institutes of Health Research (CIHR) and the Heart
and Stroke Foundation. Dr Lee was supported by a clinician-scientist award,
Drs Juurlink and Austin were supported by new investigator awards, Dr Laupacis
was supported by a senior investigator award from the CIHR, and Dr Tu was
supported by a Canada Research Chair in Health Services Research.
Role of the Sponsors: The CIHR and the Heart
and Stroke Foundation did not participate in the design and conduct of the
study, in the collection, management, analysis, and interpretation of the
data, or in the preparation, review, or approval of the manuscript.
Acknowledgment: We thank Donald Redelmeier,
MD, from the Institute for Clinical Evaluative Sciences, for reviewing an
earlier version of the manuscript and also acknowledge the work of Linda Donovan,
BScN, MBA, Institute for Clinical Evaluative Sciences, who was the project
director for the Enhanced Feedback for Effective Cardiac Treatment study.
Neither Dr Redelmeier nor Ms Donovan received any compensation for contributing
to the study.