Comparison of plaque characteristics between IPST and non-IPST groups
| Characteristics of plagues | IPST group(n=8) | Non-IPST group(n=16) | P value |
| Plaque regularity, n (%) | 7 (87.50) | 8 (50.00) | 0.080 |
| Plaque eccentricity, n (%) | 2 (25.00) | 1 (6.25) | 0.200 |
| Plaque diffusion, n (%) | 3 (37.50) | 13 (81.25) | 0.036 |
| Area stenosis degree | 96.30 (89.3, 99.0) | 81.65 (75.0, 89.4) | 0.009 |
| Remodeling index | 0.94 (0.31) | 0.90 (0.34) | 0.745 |
| Remodeling categories, n (%) | 0.519 | ||
| Positive remodeling | 2 (25.00) | 5 (31.25) | |
| Negative remodeling | 3 (37.50) | 10 (62.50) | |
| No remodeling | 3 (37.50) | 1 (6.25) | |
| Wall area index | 1.21 (0.46) | 1.43 (0.80) | 0.499 |
| Enhancement grade, n (%) | 0.545 | ||
| Grade 1 | 0 (0.00) | 2 (12.50) | |
| Grade 2 | 7 (87.50) | 12 (75.00) | |
| Grade 3 | 1 (12.50) | 2 (12.50) | |
| Enhancement index | 37.99 (21.2, 46.9) | 13.12 (12.1, 25.1) | 0.008 |
| IPH, n (%) | 1 (12.50) | 2 (12.50) | 0.999 |
Continuous variables were represented as median (IQR) and mean (SD). Categorical variables were represented as frequency and percentage.
IPH, intraplaque hemorrhage; IPST, intraprocedural stent thrombosis.