Plaque dimensions and characteristics in the two groups
| Group A | Group B | p Value | |
|---|---|---|---|
| Thickness of the fibrous cap (mm) | 0.47 (0.20) (0.21 to 0.76) | 0.96 (0.94) (0.4 to 1.7) | <0.01 |
| Tear size (mm) | 0.83 (0.29) | – | − |
| Eccentric | 94% | 64% | <0.01 |
| Plaque size (mm2) | 11.7 (7.0) (4.0 to 30.1) | 13.4 (8.3) (4.0 to 26.2) | NS |
| Emptied plaque or lipid core size (mm2) | 4.1 (3.2) | 1.32 (0.79) | <0.001 |
| Lipid to plaque ratio (%) | 38.5 (17.1) | 11.2 (8.9) | <0.001 |
| Stenosis (%) | 56.2 (16.5) | 67.9 (13.4) | <0.001 |
| Superficial calcium deposits (n=29)2-150 | 15 (52%) | 54 (51%) | NS |
| Deep calcium deposits | 5 (17%) | 46 (43%) | 0.019 |
Values are mean (SD) and range.
↵2-150 The two patients with plaque ulceration were excluded.
Group A, patients with plaque rupture; group B, patients without plaque rupture.