Table 2 OCT characteristics of coronary plaques in the culprit vessel according to the presence or absence of DMC
Characteristics | Plaques of patients with DMC (n = 82) | Plaques of patients without DMC (n = 87) | p value |
|---|---|---|---|
Clinical characteristics | |||
 Plaque vessel | 0.108 | ||
  LAD [n, (%)] | 55 (67.0) | 73 (84.0) |  |
  LCx [n, (%)] | 18 (22.0) | 7 (8.0) |  |
  RCA [n, (%)] | 9 (11.0) | 7 (8.0) |  |
 Plaque type | < 0.001 | ||
  Fibrous plaque [n, (%)] | 53 (64.6) | 27 (31.0) |  |
  Lipid plaque [n, (%)] | 29 (35.4) | 60 (69.0) |  |
 FCT (µm) [median (IQR)] | 100.0 (72.5 – 110.0) | 100.0 [86.3; 110.0] | 0.389 |
 Lipid arc mean (°) [median (IQR)] | 168.2 [123.0; 213.5] | 185.5 [143.9; 228.3] | 0.439 |
 Lipid length (mm) (mean ± standard deviation) | 8.7 ± 2.9 | 9.4 ± 3.7 | 0.345 |
 Lipid index (mm) (mean ± standard deviation) | 1531.2 ± 692.7 | 1653.1 ± 861.3 | 0.441 |
 TCFA [n, (%)] | 7 (8.5) | 13 (14.9) | 0.199 |
 Calcifications [n, (%)] | 65 (79.3) | 35 (40.2) | < 0.001 |
  Calcific arc mean (°) (mean ± standard deviation) | 165.1 ± 76.6 | 109.1 ± 107.5 | < 0.001 |
  Calcific length (mm) (mean ± standard deviation) | 10.1 ± 5.0 | 8.0 ± 4.1 | 0.003 |
  Calcific depth (mm) (mean ± standard deviation) | 0.79 ± 0.26 | 0.52 ± 0.24 | < 0.001 |
 Spotty calcifications [n, (%)] | 15 (18.3) | 39 (44.8) | 0.003 |
 Plaque length (mm) (mean ± standard deviation) | 15.8 ± 7.2 | 13.5 ± 5.9 | 0.014 |
 Healed plaque phenotype [n, (%)] | 18 (22.0) | 8 (9.2) | 0.018 |
 Macrophages [n, (%)] | 32 (39.0) | 36 (41.4) | 0.776 |
 Microvessels [n, (%)] | 30 (36.6) | 29 (33.3) | 0.686 |
 Cholesterol crystals [n, (%)] | 24 (29.3) | 22 (25.3) | 0.599 |
 MLA (mm2) (mean ± standard deviation) | 3.5 ± 2,1 | 4.0 ± 2.2 | 0.127 |
 AS (mm2) (mean ± standard deviation) | 60.9 ± 11.0 | 58.3 ± 12.4 | 0.137 |