Diabetic foot ulcer classification system for research purposes: a progress report on criteria for including patients in research studies

Various different systems have been proposed to classify diabetic foot ulcers, but none has gained widespread acceptance. The International Working Group of the Diabetic Foot (IWGDF) developed a classification system for research purposes, which is described in this report. In this PEDIS system, all foot ulcers should be classified according to five categories: perfusion, extent/size, depth/tissue loss, infection and sensation. The methods to determine the presence and severity of these factors are described; each (sub)category is defined according to strict criteria, which are applicable worldwide. All experts involved and all members of the IWGDF reached consensus on this system, which will be validated first, before it can be formally introduced. Copyright © 2004 John Wiley & Sons, Ltd.

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