The reliability of counting actinic keratosis

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dc.contributor.authorIanhez, M.
dc.contributor.authorFleury Junior, L. F. F.
dc.contributor.authorBagatin, Edileia [UNIFESP]
dc.contributor.authorMiot, H. A.
dc.contributor.institutionUniversidade Federal de Goiás (UFG)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionUniv Paulista State
dc.date.accessioned2016-01-24T14:34:39Z
dc.date.available2016-01-24T14:34:39Z
dc.date.issued2013-11-01
dc.description.abstractMany epidemiological studies and clinical trials have been performed concerning actinic keratoses. the most eligible endpoint in the majority of articles is counting of actinic keratoses before and after treatments, nevertheless some authors support that this is not a reliable form of evaluation. the aim of this study was to evaluate the actinic keratoses counting by various raters and suggest approaches to increase the reliability. Cross-sectional study: forty-three patients were evaluated by four raters (inter- and intra-rater assessment) on the face and forearms. the mean actinic keratoses counts on the face and forearms were 7.7 and 9.1. the overall agreement among the raters for the facial and forearm actinic keratoses was 0.74 and 0.77. the intra-rater assessment showed high rates of agreement for the face (ICC = 0.93) and forearms (ICC = 0.83). Higher agreement occurred when counting up to five lesions. Four raters led to increased measurement variability and loss of reliability. Higher rates of agreement may be achieved with small number of lesions, limitation and/or segmentation of body areas to reduce their number, in AK prevention designs, are strategies that may lead to a greater reliability of these measurements.en
dc.description.affiliationUniv Fed Goias, Dept Dermatol, Goiania, Go, Brazil
dc.description.affiliationUniversidade Federal de São Paulo, Dept Dermatol, UNIFESP EPM, São Paulo, Brazil
dc.description.affiliationUniv Paulista State, Dept Dermatol, UNESP, São Paulo, Brazil
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Dept Dermatol, UNIFESP EPM, São Paulo, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIDCNPq: 133/2011
dc.format.extent841-844
dc.identifierhttp://dx.doi.org/10.1007/s00403-013-1413-y
dc.identifier.citationArchives of Dermatological Research. New York: Springer, v. 305, n. 9, p. 841-844, 2013.
dc.identifier.doi10.1007/s00403-013-1413-y
dc.identifier.issn0340-3696
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/36927
dc.identifier.wosWOS:000325951000008
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofArchives of Dermatological Research
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.rights.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dc.subjectActinic keratosisen
dc.subjectReproducibility of resultsen
dc.subjectValidity of resultsen
dc.subjectReliabilityen
dc.subjectUltraviolet raysen
dc.titleThe reliability of counting actinic keratosisen
dc.typeinfo:eu-repo/semantics/article
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