Fig. 1From: Ankle brachial index as a surrogate to vascular imaging in evaluation of peripheral artery disease in patients with type 2 diabetesAgreement between duplex ultrasonography and ankle brachial index. Cohen’s kappa (K) = 0.65 (95% CI 0.49–0.88), P < 0.001. ABI = Ankle Brachial IndexBack to article page