Table 4 Changes in preoperative and postoperative plaque characteristics in each group
Characteristics | PTA (n = 14) | P | DCB (n = 15) | P | Stenting (n = 5) | P | |||
|---|---|---|---|---|---|---|---|---|---|
Preoperative | Postoperative | Preoperative | Preoperative | Preoperative | Preoperative | ||||
Stenosis degree (%) | 74.78 ± 20.53 | 58.99 ± 23.09 | 0.029 | 67.15 ± 14.24 | 42.27 ± 30.55 | 0.014 | 66.21 ± 15.89 | 24.91 ± 10.42 | 0.015 |
Plaque burden | 0.91 ± 0.07 | 0.80 ± 0.10 | 0.121 | 0.89 ± 0.04 | 0.71 ± 0.22 | 0.008 | 0.84 ± 0.06 | 0.57 ± 0.11 | 0.011 |
RR | 0.99 ± 0.38 | 0.94 ± 0.24 | 0.684 | 0.74 ± 0.23 | 0.90 ± 0.29 | 0.049 | 1.23 ± 0.59 | 1.13 ± 0.54 | 0.429 |
EI | 1.78 ± 0.77 | 0.43 ± 0.28 | 0.001 | 2.11 ± 0.69 | 0.45 ± 0.26 | 0.000 | 3.14 ± 1.22 | 0.54 ± 0.26 | 0.010 |
Plaque enhancement | |||||||||
Grade 0 | 0 (0.0%) | 2 (14.2%) | 0.705 | 0 (0.0%) | 9 (60.0%) | 0.001 | 0 (0.0%) | 0 (0.0%) | 0.157 |
Grade 1 | 9 (64.3%) | 6 (42.9%) | 7 (46.7%) | 5 (33.3%) | 5 (100.0%) | 3 (60.0%) | |||
Grade 2 | 5 (35.7%) | 6 (42.9%) | 8 (53.3%) | 1 (6.7%) | 0 (0.0%) | 2 (40.0%) | |||
Eccentric | |||||||||
 No | 7 (50.0%) | 9 (64.3%) | 0.445 | 5 (33.3%) | 7 (46.7%) | 0.456 | 1 (20.0%) | 3 (60.0%) | 0.197 |
 Yes | 7 (50.0%) | 5 (35.7%) | 10 (66.7%) | 8 (53.3%) | 4 (80.0%) | 2 (40.0%) | |||
Remodeling pattern | |||||||||
 Negative | 8 (57.1%) | 8 (57.1%) | 0.801 | 12 (80.0%) | 9 (60.0%) | 0.443 | 1 (20.0%) | 3 (60.0%) | 0.223 |
 Intermediate | 1 (7.2%) | 2 (14.3%) | 2 (13.3%) | 3 (20.0%) | 2 (40.0%) | 0 (0.0%) | |||
 Positive | 5 (35.7%) | 4 (28.6%) | 1 (6.7%) | 3 (20.0%) | 2 (40.0%) | 2 (40.0%) | |||