In our study, an ABCD3 score > 6 was used as the cut off value, and we found that an ABCD3 score > 6, rCBF ≤ 0.8205, and the degree of vascular stenosis were all independent risk factors for the progression to cerebral infarction within 90 days of TIA. Here, ABCD3 is linked to cerebral infarction.