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Table 2 Demographics and Plaque Characteristics

From: High resolution carotid black-blood 3T MR with parallel imaging and dedicated 4-channel surface coils

  Volunteers (n = 14)
Mean ± SD or %
Patients (n = 13)
Mean ± SD or %
p-value*
I. Demographics and Risk Factors    
Age [years] 32.6 ± 11.7 70.5 ± 8.3 P < .001
Body Mass Index 23.8 ± 2.3 24.1 ± 1.9 n.s.
Male Sex [%] 50% 69.2% n.s.
Coronary Artery Disease [%] 0% 46.2% P < .05
Hypertension [%] 0% 61.5% P < .05
Hypercholesterolemia [%] 7.1% 69.2% P < .05
Diabetes [%] 0% 30.8% P < .05
Family History of CVD [%] 21.4% 23.1% n.s.
Active Smoker [%] 57.1% 15.4% P < .05
II. Plaque Characteristics    
Mean Lumen Area CCA [mm2] 41.92 ± 17.55 41.17 ± 14.36 n.s.
Mean Lumen Area ICA [mm2] 34.91 ± 13.41 16.63 ± 7.26 P < .05
Mean Wall Area CCA [mm2] 17.47 ± 8.05 43.80 ± 15.38 P < .001
Mean Wall Area ICA [mm2] 14.77 ± 6.80 33.80 ± 14.07 P < .05
Mean Total Vessel Area CCA [mm2] 59.39 ± 23.95 84.97 ± 28.44 P < .05
Mean Total Vessel Area ICA [mm2] 49.69 ± 18.22 50.44 ± 16.62 n.s.
Mean NWI CCA 0.30 ± 0.06 0.50 ± 0.04 P < .001
Mean NWI ICA 0.30 ± 0.08 0.66 ± 0.12 P < .001
Lipid-Rich Necrotic Core** [%] 3.7% 76.9% P < .05
Calcification** [%] 0% 73.1% P < .05
Hemorrhage** [%] 0% 46.2% P < .05
  1. *Fisher's Exact Test for categorical variables and unpaired t-test for continuous variables, CVD = Cardiovascular Disease; CCA = Common Carotid Artery; NWI = Normalized Wall Index; ** Prevalence given as the percentage of analyzed arteries showing one feature