Table 3.
Optical coherence tomography (OCT) findings
| Variables | Men, n = 77 | Women, n = 26 | P Value |
|---|---|---|---|
| MLA, mm2 | 3.1 ± 1.3 | 3.1 ± 1.3 | 0.746 |
| Mean RVA, mm2 | 7.1 ± 2.5 | 7.3 ± 2.7 | 0.684 |
| Stenosis area, % | 42.6 ± 11.0 | 42.9 ± 10.8 | 0.880 |
| Lipid-rich plaque | |||
| Lipid-rich, n (%) | 87 (64.4) | 35 (67.3) | 0.713 |
| Maximum lipid arc | 224.1 ± 63.6 | 210.0 ± 58.5 | 0.259 |
| Lipid length, mm | 9.4 ± 4.5 | 7.3 ± 4.3 | 0.024 |
| Lipid index | 1615.1 ± 893.8 | 1237.8 ± 859.8 | 0.035 |
| FCT, μm | 89.2 ± 34.9 | 93.4 ± 48.2 | 0.597 |
| TCFA, n (%) | 29 (37.7) | 12 (46.2) | 0.444 |
| Disruption, n (%) | 4 (3.0) | 5 (9.6) | 0.057 |
| Calcification, n (%) | 42 (31.1) | 15 (28.8) | 0.763 |
| Macrophage, n (%) | 42 (31.1) | 17 (32.7) | 0.835 |
| Microvessels (MC), n (%) | 50 (37.0) | 27 (51.9) | 0.064 |
| Cholesterol crystal, n (%) | 12 (8.9) | 5 (9.6) | 0.670 |
| Thrombus, n (%) | 2 (1.5) | 3 (5.7) | 0.103 |
Abbreviations: FCT fibrous cap thickness, IQR interquartile range, MLA minimum lumen area, RVA reference vessel area, SD standard deviation, TCFA thin-cap fibroatheroma. Data are n (%) or mean ± SD