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Table 2 Summary of patient demographics between symptomatic and asymptomatic patients 1

From: Shear wave elastography imaging of carotid plaques: feasible, reproducible and of clinical potential

Risk factor Symptomatic Asymptomatic p- value
Number (n) 27 20 -
Gender (male: female) 18:9 11:9 -
Age 74 ± 11 [52–95] 77 ± 11 [60–99] 0.23
BMI (kg/m 2 ) 28.0 ± 4.3 [23.1–35.7] 25.8 ± 4.1 [20.9–31.7] 0.33
Smoking (n) Current 15 [56%] 6 [30%] 0.04*
Ex- smoker 8 [29%] 5 [25%]
Never 4 [15%] 9 [45%]
ABCD 2 score 3 ± 2 [1–5] 3 ± 2 [1–7] 0.89
Hypertension (n) 17 [63%] 14 [70%] 0.76
Hypercholesterolaemia (n) 14 [52%] 8 [40%] 0.56
Diabetes mellitus (n) 8 [29%] 5 [25%] 1.00
IHD/PVD (n) 6 [22%] 5 [15%] 1.00
Family history (n) 10 [37%] 3 [21%] 1.00
Atrial fibrillation (n) 4 [15%] 3 [15%] 1.00
Previous TIA/stroke (n) 13 [48%] 9 [45%] 1.00
  1. 1Values are given as the mean ± SD, [range]. BMI: Body Mass Index; IHD: Ischaemic Heart Disease; PVD: Peripheral Vascular Disease. The number and percentage of patients is also given. Statistically significant p-value (<0.05) is indicated by *.