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Table 4 Primary ulcer grade/depth according to The University of Texas classification system for diabetic foot wounds [24]

From: Characteristics of non-diabetic foot ulcers in Western Sydney, Australia

  Grade/Depth N = 195
   0 1 2 3
   Pre- or post- ulcerative lesion completely epithelialised Superficial wound not involving tendon, capsule or bone Wound penetrating to tendon or capsule Wound penetrating to bone or joint
Stage/Comorbidities N = 195 A n = None n = 74(37.9 %) n = 4 (2.1 %) n = 2 (1.0 %)
B With infection n = None n = 30 (15.4 %) n = 2 (1.0 %) n = 19 (9.7 %)
C With ischaemia n = None n = 32 (16.4 %) n = 4 (2.1 %) n = 7 (3.6 %)
D With infection and ischaemia n = 1 (0.5 %) n = 8 (4.1 %) n = 2 (1.0 %) n = 10 (5.1 %)