1.

简化的北京血管健康分级赋值

Simplified BVHS system

Artery stenosis	Arterial stiffness	Simplified BVHS
Artery stenosis including peripheral artery and coronary artery detected by vascular ultrasound or computed tomography angiography or angiography. 1, 2, 3, 4, correspond to no vascular lumen stenosis, vascular lumen stenosis<50%, vascular lumen stenosis 50%-75%, vascular lumen stenosis>75%. Arterial stiffness=1, corresponds to CF-PWV>9 m/s or CAVI>9 in either side, and otherwise=0. BVHS, Beijing vascular health stratification.
1	0	0
	1	1
2	0	2
	1	3
3	0	4
	1	5
4	0	6
	1	7