Patient characteristics and plaque morphology
| Variable | Concentric Stenosis (n = 128) | Eccentric Stenosis (n = 384) | P |
|---|---|---|---|
| Patient characteristics | |||
| Age, mean ± SD, y | 73.0 ± 7.5 | 72.4 ± 7.8 | .476 |
| Male, n (%) | 107 (84) | 339 (88) | .171 |
| Hypertension, n (%) | 116 (91) | 335 (87) | .306 |
| Diabetes mellitus, n (%) | 56 (44) | 159 (41) | .642 |
| Hypercholesterolemia, n (%) | 85 (66) | 232 (60) | .227 |
| Ischemic heart disease, n (%) | 54 (42) | 169 (44) | .719 |
| Peripheral artery disease, n (%) | 33 (26) | 88 (23) | .509 |
| Aortic aneurysm, n (%) | 13 (10) | 52 (14) | .319 |
| Current smoking habit, n (%) | 32 (25) | 79 (21%) | .292 |
| Alcohol consumption, n (%) | 28 (22) | 67 (17) | .264 |
| Plaque morphology | |||
| Degree of stenosis, mean ± SD, % | 83.5 ± 9.0 | 83.6 ± 8.0 | .909 |
| 70%–79%, n (%) | 48 (37) | 141 (37) | |
| 80%–89%, n (%) | 37 (29) | 131 (34) | .489 |
| 90%–99%, n (%) | 43 (34) | 112 (29) | |
| Hypoechoic, n (%) | 48 (38) | 135 (35) | .538 |
| Heterogeneous, n (%) | 91 (72) | 247 (64) | .097 |