Development and validation of a photonumeric scale for evaluation of facial fine lines

Jean Carruthers, Lisa Donofrio, Bhushan Hardas, Diane K. Murphy, Derek Jones, Alastair Carruthers, Jonathan M Sykes, Lela Creutz, Ann Marx, Sara Dill

Research output: Contribution to journalArticle

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Abstract

Background: A validated scale is needed for objective and reproducible comparisons of facial fine lines before and after treatment in practice and clinical studies. Objective: To describe the development and validation of the 5-point photonumeric Allergan Fine Lines Scale. Methods: The Allergan Fine Lines Scale was developed to include an assessment guide, verbal descriptors, morphed images, and real subject images for each scale grade. The clinical significance of a 1-point score difference was evaluated in a review of multiple image pairs representing varying differences in severity. Interrater and intrarater reliability was evaluated in a live subject validation study (N = 289) completed during 2 sessions occurring 3 weeks apart. Results: A score difference of ≥1 point was shown to reflect a clinically significant difference (mean [95% CI] absolute score difference, 1.06 [0.92-1.21] for clinically different image pairs and 0.50 [0.38-0.61] for not clinically different pairs). Intrarater agreement between the 2 live subject validation sessions was almost perfect (weighted kappa = 0.85). Interrater agreement was substantial during the second rating session (0.76, primary end point). Conclusion: The Allergan Fine Lines Scale is a validated and reliable scale for physician rating of severity of superficial fine lines.

Original languageEnglish (US)
Pages (from-to)S227-S234
JournalDermatologic Surgery
Volume42
DOIs
StatePublished - 2016

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Validation Studies
Physicians
Therapeutics
Clinical Studies

ASJC Scopus subject areas

  • Surgery
  • Dermatology

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Carruthers, J., Donofrio, L., Hardas, B., Murphy, D. K., Jones, D., Carruthers, A., ... Dill, S. (2016). Development and validation of a photonumeric scale for evaluation of facial fine lines. Dermatologic Surgery, 42, S227-S234. https://doi.org/10.1097/DSS.0000000000000847

Development and validation of a photonumeric scale for evaluation of facial fine lines. / Carruthers, Jean; Donofrio, Lisa; Hardas, Bhushan; Murphy, Diane K.; Jones, Derek; Carruthers, Alastair; Sykes, Jonathan M; Creutz, Lela; Marx, Ann; Dill, Sara.

In: Dermatologic Surgery, Vol. 42, 2016, p. S227-S234.

Research output: Contribution to journalArticle

Carruthers, J, Donofrio, L, Hardas, B, Murphy, DK, Jones, D, Carruthers, A, Sykes, JM, Creutz, L, Marx, A & Dill, S 2016, 'Development and validation of a photonumeric scale for evaluation of facial fine lines', Dermatologic Surgery, vol. 42, pp. S227-S234. https://doi.org/10.1097/DSS.0000000000000847
Carruthers, Jean ; Donofrio, Lisa ; Hardas, Bhushan ; Murphy, Diane K. ; Jones, Derek ; Carruthers, Alastair ; Sykes, Jonathan M ; Creutz, Lela ; Marx, Ann ; Dill, Sara. / Development and validation of a photonumeric scale for evaluation of facial fine lines. In: Dermatologic Surgery. 2016 ; Vol. 42. pp. S227-S234.
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