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Table 4 Primary ulcer grade/depth according to The University of Texas Classification System for diabetic foot wounds[17]

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

  Grade/Depth N = 193
  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 = 193 A n = 0 n = 65 (33.7%) n = 5 (2.6%) n = 3 (1.6%)
B With infection n = 0 n = 27 (14.0%) n = 15 (7.8%) n = 23 (11.9%)
C With ischaemia n = 1 (0.5%) n = 18 (9.3%) n = 2 (1.0%) n = 2 (1.0%)
D With infection and ischaemia n = 0 n = 14 (7.3%) n = 7 (3.6%) n = 11 (5.7%)