Published Online: September 24, 2014. doi:10.1001/jamasurg.2014.1825.
Study concept and design: All authors.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Nissan, Campos, Spector.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Nissan, Campos, Delgado, Spector.
Administrative, technical, or material support: Matadial, Spector.
Study supervision: Matadial, Spector.
Conflict of Interest Disclosures: None reported.
Previous Presentation: The paper was presented at the 38th Annual Surgical Symposium of the Association of VA Surgeons; April 7, 2014; New Haven, Connecticut.
Additional Information: LiveData, the company that manufactured the AWS used at our institution (OR-Dashboard), had no role in the design and conduct of the study; analysis and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.