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Table 4: Relationship between in vivo 3T carotid plaque components and recent ipsilateral thromboembolic symptoms for 40 patients with severe carotid stenosis measured by contrast-enhanced MR angiography
Variable Symptomatic (n = 7) Asymptomatic (n = 33) OR (95% CI) PValue AUC
Plaque burden 
    % wall volume 63.7 ± 7.6 60.7 ± 8.8 1.52 (0.58–4.02)^a .395 0.602
    % stenosis on MRA 86.3 ± 6.5 81.7 ± 6.9 2.72 (0.77–9.65)^a .121 0.669
    Ulceration on MRA 86% 36% 10.50 (1.13–97.91) .039 0.747
Prevalence of plaque components 
    Fibrous cap thin/ruptured 57% 52% 1.26 (0.24–6.50) .787 0.528
    Lipid-rich necrotic core 57% 64% 0.76 (0.15–3.99) .748 0.481
    Hemorrhage 43% 36% 1.31 (0.25–6.88) .748 0.532
    Calcifications 86% 73% 2.25 (0.24–21.38) .480 0.565
Volume of plaque components 
    Lipid-rich necrotic core 9.7 ± 11.8 10.6 ± 13.4 0.94 (0.49–1.82)^a .863 0.481
    Hemorrhage 2.8 ± 3.7 4.1 ± 7.4 0.73 (0.18–2.96)^a 0.661 0.519
    Calcifications 6.6 ± 5.5 5.0 ± 6.1 1.51 (0.43–5.31)^a 0.525 0.608
a  ORs for a 10% increase.