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J Am Coll Cardiol, 2007; 49:1552-1558, doi:10.1016/j.jacc.2006.08.068 (Published online 26 March 2007).
© 2007 by the American College of Cardiology Foundation
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Significant Improvement in Short-Term Mortality in Women Undergoing Coronary Artery Bypass Surgery (1991 to 2004)

Karin H. Humphries, MBA, DSc*,{dagger},{ddagger},§,1,*, Min Gao, PhD§, Aihua Pu, MSc{ddagger}, Samuel Lichtenstein, MD{dagger} and Christopher R. Thompson, MD*

* Division of Cardiology, University of British Columbia, Vancouver, British Columbia, Canada
{dagger} Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada
{ddagger} Centre for Health Evaluation and Outcomes Sciences, St. Paul’s Hospital, Vancouver, British Columbia, Canada
§ Provincial Health Services Authority, Vancouver, British Columbia, Canada.


Figure 1
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  		Figure 1 Post-CABG 30-Day Mortality (%) by Gender and Age Group

The odds ratios (OR) shown are the unadjusted ORs for post-coronary artery bypass graft (CABG) 30-day mortality in women compared with men. *p ≤ 0.05.

 

Figure 2
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  		Figure 2 Time Trend for Post-CABG 30-Day Mortality Rate by Gender

CABG = coronary artery bypass graft.

 

Figure 3
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  		Figure 3 Odds Ratio Plot for 30-Day Mortality (Model #4)

Urgency status levels: Priority I, within 72 h; II, within 6 weeks; III, within 3 months. Reference levels: age <50 years old, 1-vessel or 2-vessel disease, ejection fraction >35%, urgency status Priority II and III, cross (X)-clamp time ≤1 h, surgical years 1991/1992. ACS = acute coronary syndrome; HTN = hypertension.

 

Figure 4
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  		Figure 4 Adjusted Odds Ratios (Women Vs. Men) for 30-Day Mortality by Surgical Year

Odds ratios (women vs. men) and 95% confidence intervals for 30-day mortality are adjusted for age, acute coronary syndrome, heart failure, renal disease, diabetes, stroke, ejection fraction, pulmonary hypertension, prior surgery, urgency status, cross-clamp time, off pump (yes/no), arterial graft used, and number of bypass grafts.

 

Figure 5
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  		Figure 5 Association Between BSA (in Quintiles) and Mortality by Gender

BSA (m2) = ([Height (cm) · Weight (kg)]/3,600)1/2. BSA = body surface area; CABG = coronary artery bypass graft.

 

Figure 6
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  		Figure 6 Gender Difference in the Number of Bypass Grafts Used Relative to the Number of Diseased Vessels

Proportions of women and men receiving the specified number of grafts (range 1 to 8) stratified by the extent of coronary disease.

 




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Copyright © 2007 by the American College of Cardiology Foundation.