Submitted for Publication: July 9, 2014; final revision received October 17, 2014; accepted October 22, 2014.
Published Online: December 4, 2014. doi:10.1001/jamaoto.2014.3052.
Study concept and design: Chen, Judson.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Chen.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Chen.
Obtained funding: Chen.
Administrative, technical, or material support: Judson.
Study supervision: Roman, Sosa, Judson.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Chen is a recipient of the Hirsch Endowed Medical Student Research Fellowship at Yale University School of Medicine.
Role of the Funder/Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: A portion of these data was presented at the Fifth World Congress of the International Federation of Head and Neck Oncologic Societies and the Annual Meeting of the American Head & Neck Society; July 27, 2014; New York, New York.
Disclaimer: The data used in the study are derived from a deidentified National Cancer Database file. The American College of Surgeons and the Commission on Cancer have not verified and are not responsible for the analytic or statistical methodology used, or the conclusions drawn from these data by the investigator.