“…Objective exam can help to determine the extent and distribution of peripheral vascular disease [70,71] in diabetics, but measurement of the ankle-brachial index (ABI) calculated as systolic blood pressure at posterior tibial or dorsalis pedal level compared with brachial blood pressure, is a useful method to evaluated an occlusive PAD. An ABI of ≤ 0.90, is higly sensitive and specifical for a diagnosis of PAD.…”