Background:There is currently no quantitative tool for evaluating vitiligo treatment response using parametric methods.Objective: To develop and apply a simple clinical tool, the Vitiligo Area Scoring Index (VASI), to model the response of vitiligo to narrowband UV-B (NB-UV-B) phototherapy using parametric tests.

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The prevalence of mycologically-confirmed toenail onychomycosis was 9.1%, with the estimated prevalence in Ontario being 6.86%. The majority of patients with abnormal-appearing nails were unaware they might have onychomycosis, that it is infectious and potentially treatable, suggesting that there is potential for increased public awareness and education.