• Anne M Eskes, Dirk T Ubbink, Hester Vermeulen, Louise A A Gerbens, and Chantal M A M van der Horst.
• Quality Assurance & Process Innovation, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
• Burns. 2011 Aug 1;37(5):823-7.

BackgroundThe red-yellow-black-scheme (RYB) is a well-known and validated scheme to classify chronic and acute wounds, based on wound color and moistness. We investigated whether this RYB-scheme is also useful to classify donor site wounds uniformly (DSW).MethodsTwenty-three digital photographs of DSWs in various stages of wound healing were presented to internationally renowned wound scientists (n=11), surgical doctors (n=31), specialized wound nurses (n=55), and surgical nurses (n=28). These observers classified the color and moistness of the wound according to the RYB-scheme, yielding seven wound categories. Inter-observer agreement (IOA) was expressed as a kappa (κ) value.ResultsIOA's among specialized wound nurses were moderate when based on wound color and moistness (κ=0.41; 95% CI 0.33-0.49), wound color only (κ=0.41; 95% CI 0.29-0.53), or moistness only (κ=0.54; 95% CI 0.45-0.64). However, these IOA's tended to be better than those among the scientists, doctors and nurses. Scientists showed the lowest agreement (k-values between 0.17 and 0.25). Doctors scored slightly better than nurses.ConclusionClinicians and scientists have difficulty with classifying DSWs by means of the RYB-scheme. Therefore, this scheme does not appear useful to classify donor site wounds in a uniform manner.Copyright © 2011 Elsevier Ltd and ISBI. All rights reserved.

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