Table 1 We used the PEDIS classification system developed by the International Working Group on the Diabetic Foot (IWGDF).The table gives an overview of the PEDIS classification. For more detail, please refer to Schaper (2004) [23]. Additional information about the PEDIS assessment is given in the method section of this study
Grade/ Score | Perfusion | Extent | Depth | Infection | Sensation |
|---|---|---|---|---|---|
1 | No peripheral arterial disease (PAD) | < 1 cm2 | Superficial | No symptoms or sign of infection | No loss of protective sensation |
2 | PAD, No critical limb ischaemia (CLI) | 1–5 cm2 | Fascia, muscle, tendon | Infection involving the skin and the subcutaneous tissue only | Loss of protective sensation |
3 | CLI | > 5 cm2 | Bone or joint | Erythema > 2 cm plus one of: swelling, tenderness, warmth, discharge; or infection involving structures deeper than skin and subcutaneous tissues | |
4 | Systemic inflammatory response syndrome (SIRS) |