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Table 2 Wound classification based on anatomical site plus a type including sepsis

From: The impact of closed incision negative pressure therapy on prevention of median sternotomy infection for high risk cases: a single centre retrospective study

Type 1a Superficial Skin and subcutaneous
Type 1b Superficial Exposure of sutured deep fascia
Type 2a Deep Bone exposure, sternum with stable steel suture
Type 2b Deep Bone exposure, sternum with unstable steel suture
Type 3a Deep Necrotic bone exposure, or fractured, unstable sternum, exposed heart
Type 3b Deep Type 2 or 3 with septicemia
  1. (Adapted from Jones et al. [6])