THE SAGE GROUP is a global leader in peripheral vascular disease (PVD) research and consulting. Areas of focus include the epidemiology of PAD and CLI, dysvascular amputation, ischemic diabetic foot ulcers (DFU) and acute limb ischemia (ALI), as well as chronic venous disease. Reflecting the pioneering research on the economic costs of PAD, CLI and amputation, THE SAGE GROUP has become the leading expert on the costs and societal consequences of these diseases.