Characteristics of plaques with and without an ulcer at baseline
| Ulcer Absent (n = 131)Median (IQR) or No. (%) | Ulcer Present (n = 49) Median (IQR) or No. (%) | Binary Logistic Regression OR (95% CI) | ROC Analysis AUC (95% CI) | |
|---|---|---|---|---|
| NASCET (%) | 8 (0–29) | 21 (0–37) | 1.01 (1.00–1.03) | 0.61 (0.52–0.71) |
| ECST (%) | 55 (45–65) | 59 (48–70) | 1.02 (1.00–1.05) | |
| Minimal diameter (mm) | 4 (3.3–4.9) | 3.4 (2.8–4.7) | 0.06 (0.00–1.00) | 0.40 (0.30–0.50) |
| Total vessel volume (cm3) | 1.41 (1.16–1.64) | 1.60 (1.29–2.12) | 4.9 (2.1–11.4) | 0.64 (0.54–0.74) |
| Lumen volume (cm3) | 0.56 (0.45–0.72) | 0.58 (0.46–0.80) | 2.8 (0.6–12.1) | |
| Wall volume (cm3) | 0.85 (0.70–0.98) | 1.02 (0.77–1.28) | 12.1 (3.5–42.0) | 0.67 (0.58–0.77) |
| % Wall volume | 59 (53–66) | 61 (57–68) | 1.01 (0.99–1.04) | |
| LRNC presence | 78 (60%) | 38 (78%) | 2.4 (1.1–5.0) | 0.59 (0.50–0.68) |
| % LRNC volume | 1 (0–10) | 15 (1–31) | 1.7 (1.3–2.2) | 0.70 (0.60–0.79) |
| IPH presence | 42 (32%) | 27 (55%) | 2.6 (1.3–5.1) | 0.61 (0.52–0.71) |
| % IPH volume | 0 (0–3) | 5 (0–23) | 1.7 (1.3–2.2) | 0.67 (0.56–0.76) |
| Calcifications presence MR imaging | 118 (90%) | 44 (90%) | 0.97 (0.33–2.88) | |
| % Calcifications volume MR imaging | 5 (2–8) | 3 (1–7) | 0.73 (0.50–1.07) | |
| Calcification presence MDCTA | 117 (89%) | 45 (92%) | 0.74 (0.23–2.38) | |
| Calcification absolute volume MDCTA (mm3) | 31.4 (4.3–80.4) | 15.8 (2.8–51.9) | 0.99 (0.999–1.002) | |
| Thin-or-ruptured FC | 45 (34%)a,b | 32 (65%) | 3.4 (1.7–6.7) | 0.65 (0.56–0.74) |