Author Contributions: Dr Buchwald 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: Buchwald, Avidor,
Pories, Fahrbach, Schoelles.
Acquisition of data: Buchwald, Avidor, Pories, Schoelles.
Analysis and interpretation of data: Buchwald, Avidor,
Braunwald, Jensen, Pories, Fahrbach, Schoelles.
Drafting of the manuscript: Buchwald, Avidor,
Critical revision of the manuscript for important
intellectual content: Buchwald, Avidor, Braunwald, Jensen, Pories,
Statistical expertise: Buchwald, Fahrbach.
Obtained funding: Avidor.
Administrative, technical, or material support:
Buchwald, Avidor, Jensen, Pories, Schoelles.
Study supervision: Buchwald, Avidor, Schoelles.
Funding/Support: Sponsored by Ethicon Endo-Surgery
Inc, a Johnson & Johnson Company, Cincinnati, Ohio.
Role of the Sponsor: Ethicon Endo-Surgery Inc,
paid for the services of MetaWorks (Medford, Mass). The sponsor had no role
in the design and conduct of the study; collection, management, analysis,
and interpretation of the data; or the preparation, review, or approval of
Acknowledgment: We thank the following individuals
at MetaWorks Inc, who were instrumental in performing the literature search
and subsequent preparation of data and meta-analysis: Diana Frame, MEM, Catherine
Cella, BA, and Rhonda Estok, RN, CNOR. We also thank Jane Buchwald, MA, MEDWRITE
Medical Communications, Minneapolis, Minn, for performing substantive editing
of the manuscript.