Published Online: July 1, 2013. doi:10.1001/jamainternmed.2013.7791.
Acquisition of data: Yuen, Edelson.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Yoder, Arora.
Critical revision of the manuscript for important intellectual content: All
Statistical analysis: Yoder, Yuen, Churpek, Edelson.
Obtained funding: Edelson.
Administrative, technical, and material support: Yuen, Arora.
Study supervision: Arora, Edelson.
Conflict of Interest Disclosures: Dr Edelson has
received research support from Philips Healthcare and Laerdal Medical, and has ownership interest in
Quant HC, which has exclusive licensing rights with the University of Chicago for products related
to risk stratification of hospitalized patients (patent pending ARCD.P0535US.P2).
Funding/Support: Mr Yoder is supported by the
Fentress Award from the Pritzker School of Medicine. Dr Churpek is supported by grant T32 HL 07605
from the National Institutes of Health. Dr Arora is supported by career development award
K23AG033763-04 from the National Institute on Aging. Dr Edelson is supported by career development
award K23 HL097157-01 from the National Heart, Lung, and Blood
Role of the Sponsor: The National Heart, Lung, and Blood Institute had no role in
the design and conduct of the study; collection, management, analysis, and interpretation of the
data; and preparation, review, or approval of the manuscript; and decision to submit the manuscript