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Evaluates a standardization method to determine Vitiligo Area Scoring Index rater reliability across experience levels, suggesting improved data integrity for multicenter clinical trials.
The Vitiligo Area Scoring Index (VASI) is a tool for measuring repigmentation after patients undergo vitiligo treatment, offering a standardized, quantitative scale without the need for specialized equipment. For large multicentre trials that require multiple raters, VASI must be consistently applied to generate interpretable data; therefore, a method for assessing rater reliability would improve data integrity for large clinical studies of vitiligo. This study aimed to assess a method for determining the reliability of VASI raters by evaluating raters of different levels of experience relative to a gold standard.
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Kumar et al. (2023) studied this question.
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