Acne severity grading: Determining essential clinical components and features using a Delphi consensus - 13/07/12
, Barat Wolfe, MA b, Jonathan Weiss, MD c, Linda Stein-Gold, MD d, Joseph Bikowski, MD e, James Del Rosso, MD f, Guy F. Webster, MD g, Anne Lucky, MD h, Diane Thiboutot, MD i, Jonathan Wilkin, MD j, James Leyden, MD k, Mary-Margaret Chren, MD l
Correspondence to: Jerry Tan, MD, FRCPC, 2224 Walker Rd, Suite 300, Windsor, Ontario, Canada N8W5L7.Abstract |
Background |
There are multiple global scales for acne severity grading but no singular standard.
Objective |
Our objective was to determine the essential clinical components (content items) and features (property-related items) for an acne global grading scale for use in research and clinical practice using an iterative method, the Delphi process.
Methods |
Ten acne experts were invited to participate in a Web-based Delphi survey comprising 3 iterative rounds of questions.
Results |
In round 1, the experts identified the following clinical components (primary acne lesions, number of lesions, extent, regional involvement, secondary lesions, and patient experiences) and features (clinimetric properties, ease of use, categorization of severity based on photographs or text, and acceptance by all stakeholders). In round 2, consensus for inclusion in the scale was established for primary lesions, number, sites, and extent; as well as clinimetric properties and ease of use. In round 3, consensus for inclusion was further established for categorization and acceptance. Patient experiences were excluded and no consensus was achieved for secondary lesions.
Limitations |
The Delphi panel consisted solely of the United States (U.S.)–based acne experts.
Conclusion |
Using an established method for achieving consensus, experts in acne vulgaris concluded that an ideal acne global grading scale would comprise the essential clinical components of primary acne lesions, their quantity, extent, and facial and extrafacial sites of involvement; with features of clinimetric properties, categorization, efficiency, and acceptance.
Il testo completo di questo articolo è disponibile in PDF.Key words : acne, consensus, Delphi, global severity, grading
Abbreviations used : CASS, ECLA, FDA, GAGS, IQR
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| Funding sources: None. |
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| Conflicts of interest: A full list of disclosures for all authors may be found at the end of the article. |
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| Reprints not available from the authors. |
Vol 67 - N° 2
P. 187-193 - agosto 2012 Ritorno al numero
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