Re-pigmentation measures
vitiligo
VITILIGO
Percentage re-pigmentation was assessed using blinded clinician assessment of digital images. Re-pigmentation scores measured in the HI-Light trial were computed for each lesion on the face, hands/feet and ‘other’ body parts. In practice, the total area per lesion is computed at baseline and post baseline as a percentage of the body surface area (BSA) and the differences in these measures between baseline and post-baseline are expressed as a percentage change. Each percentage change falls into one of 4 classification categories: 0–24%, 25–49%, 50–74% and 75–100%. This is equivalent to the vitiligo area score index (VASI) [