Why Is ABI Effective in Detecting Vascular Stenosis? Investigation Based on Multibranch Hemodynamic Model

Table 3

Sensitivity classes.

Class	Index	Sensitivity
I	0.00≤|𝑆|<0.05	Small to negligible
II	0.05≤|𝑆|<0.20	Medium
III	0.20≤|𝑆|<1.00	High
IV	|𝑆|≥1.00	Very high