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A novel photonumeric hand grading scale for hand rejuvenation

  • Lee, Jong Hun (Department of Plastic and Reconstructive Surgery, Nowon Eulji Medical Center, Eulji University School of College) ;
  • Choi, Yean Su (Department of Plastic and Reconstructive Surgery, Soonchunhyang University Bucheon Hospital) ;
  • Park, Eun Soo (Department of Plastic and Reconstructive Surgery, Soonchunhyang University Bucheon Hospital) ;
  • Kim, Jong Seo (Kim Jongseo Plastic Surgery Clinic) ;
  • Kang, Moon Seok (Garosu Plastic and Aesthetic Surgery Clinic) ;
  • Oh, Hwa Young (Jayjun Plastic and Aesthetic Surgery Clinic) ;
  • Yang, So Dam (Life Sciences R&D, LG Chem, Ltd.) ;
  • Jeon, Seon Hui (Life Sciences R&D, LG Chem, Ltd.)
  • 투고 : 2019.05.06
  • 심사 : 2019.07.10
  • 발행 : 2019.07.15

초록

Background Few scales are currently available to evaluate changes in hand volume. We aimed to develop a hand grading scale for quantitative assessments of dorsal hand volume with additional consideration of changes in skin texture; to validate and prove the precision and reproducibility of the new scale; and to demonstrate the presence of clinically significant differences between grades on the scale. Methods Five experienced plastic surgeons developed the Hand Volume Rating Scale (HVRS) and rated 91 images. Another five plastic surgeons validated the scale using 50 randomly selected images. Intra- and inter-rater agreement was calculated using the weighted kappa statistic and intraclass correlation coefficients (ICCs). Paired images were also evaluated to verify whether the scale reflected clinical differences. Results The intra-rater agreement was 0.95 (95% confidence interval, 0.922-0.974). The interrater ICCs were excellent (first rating, 0.94; second rating, 0.94). Image pairs that differed by 1, 2, and 3 grades were considered to contain clinically relevant differences in 80%, 100%, and 100% of cases, respectively, while 84% of image pairs of the same grade were found not to show clinically relevant differences. This confirmed that the scale of the HVRS corresponded to clinically relevant distinctions. Conclusions The scale was proven to be precise, reproducible, and reflective of clinical differences.

키워드

참고문헌

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피인용 문헌

  1. Escalas clínicas para evaluar el envejecimiento cutáneo: una revisión de la literatura vol.30, pp.2, 2021, https://doi.org/10.35366/101176
  2. Validating a Series of Photonumeric Rating Scales for Use in Facial Aesthetics Using Statistical Analysis of Intra- and Inter-rater Reliability vol.3, pp.4, 2019, https://doi.org/10.1093/asjof/ojab039