Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2016
Facial Laxity Rating Scale Validation Study.
СтатьяВалидационное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Leal Silva Hector G
Аннотация
BACKGROUND: Age, weight change, clinical or surgical procedures, and distinctive characteristics, combine to be perceived as degrees of flaccidity. There is an absence of a validated scale to accurately assess the firmness-laxity spectrum of the face and neck with accepted classification and terminology.
OBJECTIVE: To create a simplified assessment tool to measure the degree of laxity in the face and neck: the Facial Laxity Rating (FLR) scale.
METHODS: The FLR scale evaluates 4 distinctive signs (eyelid folds, nasojugal folds, jowls, and neck profile) in 4 regions: upper face, middle face, lower face, and neck. This study incorporated a focused training component for 7 independent physician blinded photograph scorers. A total of 188 ratings were assessed.
RESULTS: Combined weighted kappa inter-rater agreement was 0.77 (95% CI, 0.76-0.78) for 188 ratings. Mean inter-rater agreement for laxity class was 0.78 (95% CI, 0.77-0.80). Agreement scoring relative to the truth standard was 92.53% (90.31-94.21), averaged for 7 investigators.
CONCLUSION: This study effectively presents the validation of the FLR scale for both inter-rater and agreement relative to the truth standard, demonstrating that the FLR scale may be used as a reliable instrument for quantitative assessment of chronological or treatment related laxity of the face and neck.
OBJECTIVE: To create a simplified assessment tool to measure the degree of laxity in the face and neck: the Facial Laxity Rating (FLR) scale.
METHODS: The FLR scale evaluates 4 distinctive signs (eyelid folds, nasojugal folds, jowls, and neck profile) in 4 regions: upper face, middle face, lower face, and neck. This study incorporated a focused training component for 7 independent physician blinded photograph scorers. A total of 188 ratings were assessed.
RESULTS: Combined weighted kappa inter-rater agreement was 0.77 (95% CI, 0.76-0.78) for 188 ratings. Mean inter-rater agreement for laxity class was 0.78 (95% CI, 0.77-0.80). Agreement scoring relative to the truth standard was 92.53% (90.31-94.21), averaged for 7 investigators.
CONCLUSION: This study effectively presents the validation of the FLR scale for both inter-rater and agreement relative to the truth standard, demonstrating that the FLR scale may be used as a reliable instrument for quantitative assessment of chronological or treatment related laxity of the face and neck.