Risk Stratification of In-Hospital Mortality for Coronary Artery Bypass Graft Surgery
Edward L. Hannan, PhD, FACC*, ,||,¶,
Chuntao Wu, MD, PhD*,,||,¶,
Edward V. Bennett, MD ,,||,¶,
Russell E. Carlson, MD,,||,¶,
Alfred T. Culliford, MD ,,||,¶,
Jeffrey P. Gold, MD, FACC||,,||,¶,
Robert S.D. Higgins, MD¶,,||,¶,
O. Wayne Isom, MD, FACC#,,||,¶,
Craig R. Smith, MD**,,||,¶ and
Robert H. Jones, MD, FACC,,||,¶,*
* University at Albany, State University of New York, Albany, New York
St. Peter's Hospital, Albany, New York
Mercy Hospital, Buffalo, New York
New York University Medical Center, New York, New York
|| Medical University of Ohio, Toledo, Ohio
¶ Rush University Medical Center, Chicago, Illinois
# Weill-Cornell Medical Center, New York, New York
** Columbia-Presbyterian Medical Center, New York, New York
Duke University Medical Center, Durham, North Carolina
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Figure 1 Observed (with 95% confidence interval) and predicted risk of in-hospital mortality by total risk score for coronary artery bypass graft patients in New York State, 2002 (n = 16,120).
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Figure 2 Observed (with 95% confidence interval) and rescaled predicted risk of in-hospital mortality by total risk score for coronary artery bypass graft patients in New York State, 2003 (n = 14,692).
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Figure 3 Complication rate by total risk score for coronary artery bypass graft patients in New York State, 2003 (n = 14,692). Complication = one or more of stroke, transmural myocardial infarction, deep sternal wound infection, bleeding requiring reoperation, sepsis/endocarditis, gastrointestinal bleeding/perforation/infarction, renal failure, respiratory failure, and unplanned cardiac operation/interventional procedure.
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Figure 4 Length of stay by total risk score for coronary artery bypass graft patients in New York State, 2003 (n = 14,692).
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