With the findings of DSA as gold standard,for CDFI and MRA in diagnosis of carotid artery stenosis and occlusion,the sensitivity,specificity and accuracy were 90.9% vs 94.5%,65.5% vs 86.2% and 82.1% vs 91.7%,respectively.

• 以DSA检查结果为金标准；CDFI和MRA诊断颈动脉狭窄及闭塞的敏感性、特异性及准确性分别为90.；9%25vs 94