Browse

Method of assessing involved facial areas: rule of fours

Cited 14 time in Web of Science Cited 16 time in Scopus
Authors
Yoon, H-S; Choi, J-W; Youn, J-I
Issue Date
2008-03-18
Publisher
Wiley-Blackwell
Citation
Br J Dermatol. 2008; 158(5):1022-8
Keywords
AdultFacial Dermatoses/*pathologyFemaleHumansMaleObserver VariationPhotographyPsoriasis/*pathologyReproducibility of ResultsSeverity of Illness Index
Abstract
BACKGROUND: Disease extent or affected area is probably the most easily and most frequently measured index of patient disability in dermatological disorders such as psoriasis. However, no standard method is available for assessing involved facial areas. OBJECTIVES: To devise a method for assessing involved facial areas and to examine its validity and reliability. METHODS: In study 1, the facial areas of 26 healthy adults were analysed and a new method for assessing facial areas was devised. In study 2, the validity and reliability of the devised method were investigated by 10 dermatologists using 30 photographs of patients with facial psoriasis. RESULTS: In study 1, facial regions were defined to have percentage areas that were multiples of 4% of the total facial area (which we refer to as the rule of fours), i.e. forehead 24%, one cheek 20%, perioral area 8%, one aspect of an ear 4%, one periorbital area 4%, and nose 4%. In study 2, a comparison of values obtained using the rule of fours with those obtained using an image analysis system showed excellent intrarater and inter-rater reliability when using the rule of fours. CONCLUSIONS: The rule of fours is useful for assessing involved facial areas. The application of this rule was found to provide an accurate and reliable method as compared with image analysis.
ISSN
0007-0963 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=18341660

https://hdl.handle.net/10371/67534
DOI
https://doi.org/10.1111/j.1365-2133.2008.08495.x
Files in This Item:
There are no files associated with this item.
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Dermatology (피부과학전공)Journal Papers (저널논문_피부과학전공)
  • mendeley

Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse