Object-Specific Four-Path Network for Stroke Risk Stratification of Carotid Arteries in Ultrasound Images

Table 1

Patient demographics and imaging parameters.

Variable	(PCT)	Range	Count
Sex, %			333
Male	204 (61.3)
Female	129 (38.7)
Age, years
All		35–99	333
Male		35–99	204
Female		45–95	129
Body mass index, kg/m^2		18.2–35.4	106
Blood pressure, mm Hg
Systolic		76–203	333
Diastolic		43–140	333
Laboratory values, mmol/L
Total cholesterol		1.71–12.03	333
Low-density lipoprotein cholesterol		0.81–7.76	333
High-density lipoprotein cholesterol		0.09–3.83	333
Triglycerides		0.29–18.58	333
Risk factors, %
Hypertension	218 (65.5)		333
Hyperlipidemia	58 (20.4)		285
Diabetes	93 (31.3)		297
Ever smoked	99 (43.0)		230
FRS risk, %			333
<10	36 (10.8)
10-20	144 (43.2)
>20	153 (45.9)
Imaging parameters
Ultrasound system manufacturer	Siemens
System model	SC2000
Ultrasound probe	9 L5
Vessels images	Common, internal, external carotid arteries