Using the PAD criterion by CDU, the sensitivity of PVL was 81.25%, the specificity was 95.83%, the positive predictive value was 92. 86%, the negative predictive value was 88.46% and the global accuracy was 90%.

• 彩超和PVL均诊断为PAD的肢体占32.；5%25。 以彩超诊断PAD为标准；PVL诊断PAD的敏感性为81