A comparison of short- and long-term outcomes after off-pump and on-pump coronary artery bypass graft surgery with sternotomy
Michael J. Racz, MA*||||,
Edward L. Hannan, PhD*,*,
O. Wayne Isom, MD ,
Valavanur A. Subramanian, MD ,
Robert H. Jones, MD, FACC ,
Jeffrey P. Gold, MD||,
Thomas J. Ryan, MD, FACC¶,
Alan Hartman, MD#,
Alfred T. Culliford, MD**,
Edward Bennett, MD ,
Robert A. Lancey, MD and
Eric A. Rose, MD
* University at Albany, State University of New York, Albany, New York, USA
New York Hospital-Cornell, New York, New York, USA
Lenox Hill Hospital, New York, New York, USA
Duke University Medical Center, Durham, North Carolina, USA
|| Montefiore Medical Center, Bronx, New York, USA
¶ Boston University School of Medicine, Boston, Massachusetts, USA
# North Shore-LIJ Health System, Manhasset, New York, USA
** New York University Medical Center, New York, New York, USA
 St. Peter's Hospital, Albany, New York, USA
 Mary Imogene Bassett Hospital, Cooperstown, New York, USA
 Columbia-Presbyterian Medical Center, New York, New York, USA
|||| Williams College, Williamstown, Massachusetts, USA

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Figure 1 Ninety-five percent confidence intervals for the adjusted ln(hazard ratio) of on-pump coronary artery bypass graft (CABG) surgery/off-pump CABG surgery for patient survival and freedom from death and revascularization within a three-year period (for all patients and for seven subgroups).
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Figure 2 Three-year adjusted Kaplan-Meier curves for survival and for freedom from death and revascularization for on-pump versus off-pump bypass surgery.
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