Coexisting intracranial and extracranial carotid atherosclerotic diseases
| Coexisting intracranial stenosis ≥50% and | All patients (n=351) | Patients with ACI (n=146) | Patients without ACI (n=205) | P value |
| Carotid stenosis ≥50% | 12 (3.4%) | 7 (4.8%) | 5 (2.4%) | 0.369 |
| Carotid MWT ≥1 mm | 40 (11.4%) | 30 (20.5%) | 10 (4.9%) | <0.001 |
| Carotid calcification | 31 (8.8%) | 22 (15.1%) | 9 (4.4%) | 0.001 |
| Carotid LRNC | 44 (12.5%) | 28 (19.2%) | 16 (7.8%) | 0.002 |
| Carotid IPH | 7 (2.0%) | 4 (2.7%) | 3 (1.5%) | 0.649 |
| Carotid FCR | 3 (0.9%) | 0 (0.0%) | 3 (1.8%) | 0.379 |
| Carotid HRP | 10 (2.8%) | 5 (3.4%) | 5 (2.4%) | 0.825 |
ACI, acute cerebral infarct; FCR, fibrous cap rupture; HRP, high-risk plaque; IPH, intraplaque haemorrhage; LRNC, lipid-rich necrotic core; MWT, mean wall thickness.