Table 1-2 SVS WIfI classification: Correlation of WIfI and items in JCLIMB Table 1-2-1 Wound.

Grade	Rutherford classification	Ulcer		Sites of gangrene
		Depth of ulcer (University of Texas classification: grade)	Sites of ulcer
0	Class 4	No ulcer or gangrene
1	Class 5, 6	I	Any portion	No gangrene
		II, III	Limited to digits	No gangrene
2	Class 5, 6	I	Heel	No gangrene
		II, III	Foot: distal metatarsal excluding heel	Limited to digits
3	Class 5, 6	II, III	Foot: proximal metatarsal, heel, ankle, lower leg	Extensive proximal to forefoot