ABI value	Interpretation	Recommendation
Greater than 1.4	Calcification/essel hardening	Refer to vascular specialist
1-1.4	Normal	None
0.9-1	Acceptable	None
0.8-0.9	Some arterial disease	Treat risk factors
0.4-0.8	Moderate arterial disease	Refer to vascular specialist
Less than 0.4	Severe arterial disease	Refer to vascular specialist