Comparison of characteristics of patients with <50% stenotic versus ≥50% stenotic plaque proximal to LVO
| Ipsilateral plaque causing <50% stenosis (N=68) | Ipsilateral plaque causing ≥50% stenosis (N=143) | P value | |
| Plaque morphology | |||
| PB (%, median, IQR) | 68.55 (62.95–76.58) | 82.37 (77.43–87.13) | <0.001 |
| RI (median, IQR) | 1.15 (1.06–1.21) | 1.04 (0.91–1.10) | <0.001 |
| %LRNC (mean±SD) | 25.24±9.64 | 22.41±11.48 | 0.080 |
| Stenosis (%, median, IQR) | 45.83 (38.38–47.90) | 73.72 (68.01–82.05) | <0.001 |
| Plaque composition | |||
| FCR (n, %) | 45 (66.2) | 72 (50.3) | 0.031 |
| DPS (n, %) | 50 (73.5) | 79 (55.2) | 0.011 |
| IPH (n, %) | 11 (16.2) | 10 (7.0) | 0.037 |
| Complicated plaque (n, %) | 54 (79.4) | 79 (55.2) | 0.001 |
| Infarct patterns (polytomous variables) | |||
| Cortical | 17 (25.0) | 36 (25.2) | |
| Subcortical deep | 13 (19.1) | 23 (16.1) | |
| Territory | 29 (42.6) | 25 (17.5) | |
| Watershed | 9 (13.2) | 59 (41.2) | <0.001 |
| Infarct patterns (dichotomous variables) | |||
| Large-territory | 29 (42.6) | 25 (17.5) | <0.001 |
Values are mean±SD, median (IQR) or n (%).
DPS, discontinuity of plaque surface; FCR, fibrous cap rupture; IPH, intraplaque haemorrhage; LRNC, lipid rich necrotic core; LVO, large vessel occlusion; PB, plaque burden; RI, remodelling index.