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Table 1 The Wagner-Meggitt classification

From: Treatment of the diabetic foot – to amputate or not?

Grade 0

Grade 1

Grade 2

Grade 3

Grade 4

Grade 5

Intact skin

superficial ulcer

deep ulcer to tendon, bone, or joint

deep ulcer with abscess or osteomyelitis

forefoot gangrene

whole foot gangrene