Table 3.
Optical Coherence Tomography Findings
| Variables | MACE, n=50 | No MACE, n=182 | P value |
|---|---|---|---|
| Underlying plaque | 0.010* | ||
| Fibrous plaque | 3 (6.0) | 40 (22.0) | |
| Lipid plaque | 47 (94.0) | 142 (78.0) | |
| FCT, μm | 100.6±45.7 | 106.0±49.0 | 0.775 |
| Mean lipid arc, degree | 205.5±42.7 | 198.5±47.3 | 0.211 |
| Lipid length, mm | 12.3±5.5 | 13.2±6.4 | 0.233 |
| Lipid index, mm, degree | 2571.2±1267.4 | 2694.8±1523.7 | 0.147 |
| Maximum lipid arc, degree | 292.3±73.0 | 283.8±71.9 | 0.712 |
| TCFA | 15 (30.0) | 32 (17.6) | 0.053* |
| Macrophage | 43 (86.0) | 146 (80.2) | 0.352 |
| Microchannel | 20 (40.0) | 77 (42.3) | 0.770 |
| Cholesterol crystals | 8 (16.0) | 44 (24.2) | 0.219 |
| Calcification | 13 (26.0) | 48 (26.4) | 0.958 |
| Thrombus type | 0.699 | ||
| Red | 7 (14.0) | 34 (19.2) | |
| White | 29 (58.0) | 97(54.8) | |
| Mixed | 14 (28.0) | 46 (26.0) | |
| Thrombus length, mm | 7.1±5.5 | 7.2±4.9 | 0.855 |
| Thrombus area, mm2 | 1.2±1.0 | 1.0±0.9 | 0.587 |
| Thrombus volume, mm3 | 5.6 (2.5–10.2) | 4.6 (1.8–10.8) | 0.637 |
| Thrombus burden | 24.4±10.4 | 20.4±10.9 | 0.010* |
| Thrombus score | 54.5 (35.0–85.5) | 60.0 (33.0–96.0) | 0.747 |
| MLA, mm2 | 2.3±0.9 | 2.9±2.0 | 0.001* |
| AS% | 72.2±9.4 | 64.2±15.7 | <0.001* |
Values are expressed as n (%), mean±SD, or median (25th–75th percentiles).
AS% indicates percentage of area stenosis; FCT, fibrous cap thickness; MACE, major adverse cardiovascular events; MLA, minimal lumen area; and TCFA, thin‐cap fibroatheroma.
*
P value<0.05 considered statistically significant.