Table 1 Comparison of high-resolution MRI plaque features
Non-culprit plaque (N = 56) | Culprit plaque (N = 231) | p value | |
|---|---|---|---|
Plaque length, (mm) | 15.02 ± 8.08 | 16.66 ± 9.29 | 0.226 |
Plaque thickness, (mm) | 1.89 ± 0.53 | 2.02 ± 0.68 | 0.208 |
Stenosis degree, (%) | < 0.001 | ||
< 50% | 26 (46.43%) | 46 (19.91%) | |
50–69% | 16 (28.57%) | 42 (18.18%) | |
70–99% | 11 (19.64%) | 97 (41.99%) | |
100% | 3 (5.36%) | 46 (19.91%) | |
Plaque burden, (%) | 81.29 ± 10.34 | 88.44 ± 9.79 | < 0.001 |
Remodelling index | 1.01 ± 0.29 | 0.90 ± 0.30 | 0.009 |
Remodelling mode, (%) | 0.158 | ||
Positive remodelling | 20 (35.71%) | 65 (28.14%) | |
Negative remodelling | 26 (46.43%) | 139 (60.17%) | |
Surface irregularity, (%) | 12 (21.43%) | 102 (44.16%) | 0.002 |
Intraplaque haemorrhage, (%) | 0 (0.00%) | 45 (19.48%) | < 0.001 |
Enhancement grade, (%) | < 0.001 | ||
Grade 0, n (%) | 6 (10.71%) | 7 (3.03%) | |
Grade I, n (%) | 41 (73.21%) | 73 (31.60%) | |
Grade II, n (%) | 9 (16.07%) | 151 (65.37%) | |
Enhanced length, (mm) | 11.17 ± 7.70 | 15.95 ± 10.26 | 0.001 |
Enhanced length > plaque length, (%) | 5 (8.93%) | 107 (46.32%) | < 0.001 |
Plaque enhancement quadrant, (%) | < 0.001 | ||
0 | 5 (8.93%) | 6 (2.60%) | |
1 | 14 (25.00%) | 15 (6.49%) | |
2 | 11 (19.64%) | 26 (11.26%) | |
3 | 12 (21.43%) | 38 (16.45%) | |
4 | 14 (25.00%) | 146 (63.20%) |