“…These described 43 prospective cohort studies enrolling 94,254 individuals. Thirteen studies 25,33,34,37,38,40,43,44,46,49,51,56,59 enrolled participants from general populations, six studies 26–28,35,54,60 enrolled participants with suspected PAD, 14 studies 24,30,31,39,41,42,45,48,52,53,61–64 enrolled participants with cardiovascular or cerebrovascular co-morbidity, five studies 22,29,36,47,57 enrolled participants with diabetes mellitus, two studies 23,55 enrolled dialysis patients, one study 58 enrolled patients with chronic kidney disease, one study 50 enrolled elderly participants with isolated systolic hypertension, and one study 32 enrolled participants with metabolic syndrome. All studies included participants without previous diagnosis of PAD.…”