Diabetic foot ulcers: Classification, risk factors and management

Table 3 Size (area, depth), sepsis, arteriopathy, denervation system

Grade	Size
	Area	Depth	Sepsis	Arteriopathy	Denervation
0	Skin intact	Skin intact	None	Pedal pulses present	Pin pricks intact
1	< 1 cm2	Superficial (skin and subcutaneous tissue)	Surface	Pedal pulses reduced or one missing	Pin pricks reduced
2	1-3 cm2	Tendon, periosteum, joint capsule	Cellulitis	Absence of both pedal pulses	Pin pricks absent
3	> 3 cm2	Bone or joint space	Osteomyelitis	Gangrene	Charcot