Author Contributions: Dr Fletcher had full
access to all of the data in the study and takes responsibility for the integrity
of the data and the accuracy of the data analysis.
Study concept and design: Fletcher, Underwood,
Acquisition of data: Fletcher, Underwood, Davis.
Analysis and interpretation of data: Fletcher,
Davis, Mangrulkar, McMahon, Saint.
Drafting of the manuscript: Fletcher, Davis,
Critical revision of the manuscript for important
intellectual content: Underwood, Davis, Mangrulkar, McMahon, Saint.
Statistical analysis: Fletcher, Davis.
Obtained funding: Saint.
Administrative, technical, or material support:
Study supervision: Mangrulkar, McMahon.
Financial Disclosures: None reported.
Funding/Support: The University of Michigan’s
Patient Safety Enhancement Program supported this project. Dr Saint is supported
by a Career Development Award from the Health Services Research & Development
Program of the Department of Veterans Affairs and a Patient Safety Developmental
Center grant from the Agency for Healthcare Research and Quality (P20-HS11540).
Dr Fletcher was a Robert Wood Johnson Clinical Scholar/Veterans Affairs Scholar
when some of this work was completed.
Role of the Sponsors: The sponsors had no role
in the design or conduct of the study; no involvement in the management, analysis,
and interpretation of the data; and did not review or approve the manuscript.
Previous Presentations: Part of this work was
presented at the national Society of General Internal Medicine meeting in
May 2003 in Vancouver, British Columbia, and part at the Society of Hospital
Medicine meeting in April 2005 in Chicago, Ill.
Additional Information: The tables in print
are abridged. The complete detailed tables are available here.