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Digital Imaging of Wounds: Are Measurements Reproducible Among Observers?

Johns Hopkins Wound Center and Department of Dermatology, Johns Hopkins Bayview Medical Center, Baltimore, Maryland, susie{at}jhmi.edu

Gerald S. Lazarus, MD

Johns Hopkins Wound Center and Department of Dermatology, Johns Hopkins Bayview Medical Center, Baltimore, Maryland

Angela R. Kohli, BSN, WOCN

Johns Hopkins Wound Center and Department of Dermatology, Johns Hopkins Bayview Medical Center, Baltimore, Maryland

Roger Kapoor, BS

Department of Dermatology and Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania

David J. Margolis, MD, PhD

Department of Dermatology and Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania

Advances in digital imaging and archiving have made the measurement and documentation of wound areas possible over time. To assess the reproducibility and precision of digital image measurements, we used WoundMatrix Web (http://www.woundmatrix.com/) and recruited a group of caregivers from the Johns Hopkins Wound Center to measure the size of wounds on digital images by measuring length and width and tracing the circumference of the same wounds. One set of images was provided by WoundMatrix (WoundMatrix Inc, Chadds Ford, PA) and a second set used our own photographs taken at the Johns Hopkins Wound Center. Our results demonstrate that digital analysis with WoundMatrix Web is reproducible and precise with acceptable variation among readers. This supports the use of digital images of wounds to follow clinical progress as well as analyze the effects of new clinical interventions in clinical trials.

Key Words: WoundMatrix • wound healing • wound area

The International Journal of Lower Extremity Wounds, Vol. 6, No. 4, 245-248 (2007)
DOI: 10.1177/1534734607306880


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