Validation of an objective scar pigmentation measurement by using a spectrocolorimeter

Scar pigmentation changes throughout its maturation process and it is often used as one of the indicators for scar maturation, yet it is often rated subjectively. The purpose of this study was to investigate the application of a commercial spectrocolorimeter to produce a reliable measurement on scar...

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Bibliographic Details
Published in:Burns 2003-12, Vol.29 (8), p.779-784
Main Authors: Li-Tsang, Cecilia W.P, Lau, Joy C.M, Liu, Sally K.Y
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Assessment
Biological and medical sciences
Burns - pathology
Child
Cicatrix, Hypertrophic - pathology
CIE
Colorimetry - methods
Dermatology
Female
Humans
Investigative techniques, diagnostic techniques (general aspects)
Male
Medical sciences
Middle Aged
Observer Variation
Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques
Pigmentary diseases of the skin
Pigmentation
Reproducibility of Results
Scar
Skin Pigmentation
Spectrocolorimeter
Wound Healing
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Summary:Scar pigmentation changes throughout its maturation process and it is often used as one of the indicators for scar maturation, yet it is often rated subjectively. The purpose of this study was to investigate the application of a commercial spectrocolorimeter to produce a reliable measurement on scar pigmentation. Commission Internationale de l’Eclairage (CIE) model of color has been adopted in this study for measurement of scar pigmentation 24 patients with hypertrophic scars at different stages of maturation were selected for the study, were inspected by two therapists using the Vancouver scar scale (VSS) and then using spectrocolorimeter for inter-rater reliability. The measurements were taken after 30 min by the same group of therapists (test–retest reliability). Results indicated that the inter-rater reliability among the three therapists was satisfactory, with intra-class correlation coefficient (ICC) (2, 2) from 0.50 to 0.99 in all the three color parameters. The test–retest reliability of the spectrocolorimeter was satisfactory with ICC (3, 6) ranged from 0.95 to 0.99. A significant difference was also noted between the measurements of normal skin and hypertrophic scar ( P
ISSN:0305-4179
1879-1409
DOI:10.1016/S0305-4179(03)00165-7