Despite higher Society of Thoracic Surgeons mortality risk scores ( @ vs. @ ; p = @ ) , female patients had lower prevalence of coronary artery disease ( @ % vs. @ % ) , prior coronary artery bypass graft surgery ( @ % vs. @ % ) , peripheral vascular disease ( @ % vs. @ % ) , diabetes mellitus ( @ % vs. @ % ) , and elevated creatinine ( @ % vs. @ % ) .