• Thorac Cardiovasc Surg · Jun 2014

    Comparative Study

    Race and survival among diabetic patients after coronary artery bypass grafting.

    • Wesley T O'Neal, Jimmy T Efird, Stephen W Davies, Jason B O'Neal, Curtis A Anderson, W Randolph Chitwood, T Bruce Ferguson, and Alan P Kypson.
    • Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina.
    • Thorac Cardiovasc Surg. 2014 Jun 1; 62 (4): 308-16.

    BackgroundDiabetes is a known predictor of decreased long-term survival after coronary artery bypass grafting (CABG). Differences in survival by race have not been examined.MethodsA retrospective cohort study was conducted for CABG patients between 1992 and 2011. Long-term survival was compared in patients with and without diabetes and stratified by race. Hazard ratios (HR) and 95% confidence intervals (CI) were computed using a Cox regression model.ResultsOut of the 13,053 patients undergoing CABG, 35% (black n = 1,655; white n = 2,884) had diabetes at the time of surgery. The median follow-up for study participants was 8.2 years. Long-term survival after CABG was similar between black and white diabetic patients (no diabetes, HR = 1.0; white diabetic patients, adjusted HR = 1.5, 95%CI = 1.4-1.6; black diabetic patients, adjusted HR = 1.5, 95%CI = 1.4-1.7).ConclusionA survival disadvantage after CABG was not observed among black versus white diabetic patients in our study.Georg Thieme Verlag KG Stuttgart · New York.

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