Document Type

Conference Proceeding

Publication Date

9-1-2022

Publication Title

J Am Acad Dermatol

Abstract

Background: No keloid-specific outcome measures exist.

Objective: To develop and validate the Detroit Keloid Scale (DKS), a standardized method of keloid assessment to better compare treatments.

Methods: Forty-seven physicians were polled to develop the DKS. The scale was validated in 52 patients with keloids against the Vancouver Scar Scale (VSS), Patient and Observer Scar Assessment Scale (POSAS), and Dermatology Life Quality Index (DLQI) by 3 physicians.

Results: The interrater reliability was “substantial” for observer component of the DKS and only “moderate” for the VSS and observer POSAS (ICC were 0.80, 0.60, and 0.47, respectively). Pearson’s correlation indicated a “moderate” association between the observer component of DKS with observer component of POSAS (ρ = 0.56, P <.001) and a “substantial” relationship between the observer component of DKS and VSS (ρ = 0.63, P <.001). Pearson’s correlation indicated a “moderate” association between the patient portion of DKS and patient portion of POSAS and the patient portion of the DKS and DLQI (0.61 and 0.60, respectively, P <.05). The DKS total score consistently showed “substantial” relationship with POSAS total score (ρ = 0.65, P <.001).

Limitations: Single center study, no intrarater reliability analysis.

Conclusions: The substantial interrater reliability of the DKS will allow for improved standardization in future keloid research.

Volume

87

Issue

3

First Page

AB210

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