Figure 27-14 Long-term survival of 1834 patients with peripheral vascular disease who were enrolled in the Coronary Artery Surgery Study (CASS) registry. Survival rates are shown for those undergoing coronary artery bypass grafting (CABG) versus medical therapy before their vascular surgery. (Redrawn from Rihal CS, Eagle KA, Mickel MC, et al: Surgical therapy for coronary artery disease among patients with combined coronary artery disease and peripheral vascular disease. Circulation 91:46, 1995.)