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Table 3: Characteristics of plaques with and without a new ulceration at 2-year follow-up^{^a}
New Ulceration Absent (n = 67) New Ulceration Present (n = 6) P Value
NASCET (%) 16 (0–34) 11 (0–34) .95
ECST (%) 57 (47–68) 62 (53–71) .45
Minimal diameter (mm) 3.8 (2.8–4.6) 3.4 (2.9–4.8) .80
Total vessel volume (cm³) 1.49 (1.2–1.75) 1.61 (1.53–1.87) .17
Lumen volume (cm³) 0.54 (0.44–0.77) 0.59 (0.55–0.69) .43
Wall volume (cm³) 0.86 (0.73–1.00) 1.04 (0.97–1.16) .029
% Wall volume 60 (52–67) 64 (59–67) .37
LRNC presence 41 (61%) 6 (100%) .08
% LRNC volume 2 (0–14) 23 (13–31) .002
IPH presence 21 (31%) 6 (100%) .002
% IPH volume 0 (0–5) 14 (8–24) <.001
Calcifications presence MR imaging 63 (94%) 6 (100%) 1.00
% Calcifications volume MR imaging 5 (3–8) 6 (2–9) .79
Calcifications presence MDCTA 60 (90%) 5 (83%) .52
Calcifications, absolute volume MDCTA (mm³) 32.0 (7.0–100.3) 1.9 (0.8–91.3) .15
Thin-or-ruptured FC 28 (42%) 6 (100%) .009
Note:—FC indicates fibrous cap.
↵a Data are median (IQR) or No. (%).