Table 2 Culprit lesion characteristics between AAE (+) and AAE (-).
AAE (+) (N = 56) | AAE (-) (N = 95) | P value | |
|---|---|---|---|
VW-MRI variables | |||
Stenosis degree, median (IQR), % | 68.90 (62.77, 75.10) | 69.10 (61.15, 74.50) | 0.434 |
Plaque length, median (IQR), mm | 11.80 (8.79, 13.70) | 10.30 (7.30, 13.40) | 0.126 |
Lumen area, median (IQR), mm2 | 2.49 (1.36, 3.12) | 2.32 (1.47, 3.53) | 0.552 |
Outer wall area, median (IQR), mm2 | 24.21 (18.79, 31.28) | 22.45 (15.96, 29.28) | 0.249 |
Normal wall index, median (IQR) | 91.55 (86.27, 93.49) | 89.44 (83.34, 92.77) | 0.072 |
Maximum wall thickness, median (IQR), mm | 2.46 (2.09, 3.08) | 2.38 (1.97, 2.95) | 0.636 |
Minimum wall thickness, median (IQR), mm | 1.10 (0.78, 1.54) | 0.87 (0.68, 1.35) | 0.043 |
Eccentricity index, median (IQR) | 0.56 (0.36, 0.68) | 0.63 (0.41, 0.70) | 0.111 |
Remodeling index, median (IQR) | 1.01 (0.91, 1.14) | 1.08 (0.95, 1.21) | 0.246 |
Surface irregularity, No. (%) | 32 (57.14%) | 52 (54.74%) | 0.866 |
T1 hyperintensity, No. (%) | 19 (33.93%) | 22 (23.16%) | 0.185 |
CVpre, median (IQR), % | 10.82 (6.28, 14.98) | 9.09 (5.96, 13.58) | 0.284 |
CVpost, median (IQR), % | 12.53 (7.29, 18.27) | 10.95 (6.59, 16.03) | 0.401 |
Contrast enhancement, median (IQR), % | 1.86 (1.55, 2.30) | 1.87 (1.52, 2.19) | 0.844 |
CT variables | |||
Spotty calcification, No. (%) | 28 (50%) | 25 (26.32%) | 0.005 |
No. of spotty calcification, mean (SD) | 0.86 (1.17) | 0.34 (0.65) | 0.002 |
Calcification location | |||
Intimal predominant calcification, No. (%) | 26 (46.43%) | 22 (23.16%) | 0.004 |
IEL predominant calcification, No. (%) | 13 (23.21%) | 15 (15.79%) | 0.283 |
Calcification number | |||
Single calcification, No. (%) | 18 (32.14%) | 22 (23.16%) | 0.255 |
Multiple calcifications, No. (%) | 21 (37.50%) | 15 (15.79%) | 0.003 |
Calcification volume, mean (SD), mm3 | 33.50 (56.66) | 13.55 (38.73) | < 0.001 |
