Table 3

ABI values that correspond to severity of PAD [20,23]

ABI

Typical symptoms

Normal

0.91-1.30

Asymptomatic claudication

Mild

0.70-0.90

Intermittent claudication

Moderate

0.40-0.69

Daily rest pain

Severe

< 0.40

Focal tissue necrosis

Petznick and Shubrook Osteopathic Medicine and Primary Care 2010 4:5   doi:10.1186/1750-4732-4-5