Table 1.

Classification of claudication severity according to Fontaine and Rutherford scales [42,43,44].

Stage According to Fontaine Classification			Category According to Rutherford Classification
I	Asymptomatic		0
IIA	Claudication at distance > 200 m	Mild claudication	1
IIB	Claudication at distance < 200 m	Moderate claudication	2
		Severe claudication	3
III	Rest pain		4
IV	Necrosis	Minor tissue loss	5
		Major tissue loss	6