Outputs (3)

Using the Vitiligo Noticeability Scale in clinical trials: construct validity, interpretability, reliability and acceptability (2022)
Journal Article
Batchelor, J. M., Gran, S., Leighton, P., Howells, L., Montgomery, A. A., Tan, W., …Thomas, K. S. (2022). Using the Vitiligo Noticeability Scale in clinical trials: construct validity, interpretability, reliability and acceptability. British Journal of Dermatology, 187(4), 548-556. https://doi.org/10.1111/bjd.21671

Background: Validated outcome measures are needed for vitiligo trials. Objectives: To assess construct validity, interpretability, reliability and acceptability of the Vitiligo Noticeability Scale (VNS). Methods: We used images of vitiligo before and... Read More about Using the Vitiligo Noticeability Scale in clinical trials: construct validity, interpretability, reliability and acceptability.

Do patient characteristics matter when calculating sample size for eczema clinical trials? (2021)
Journal Article
Howells, L., Gran, S., Chalmers, J. R., Stuart, B., Santer, M., Bradshaw, L., …Thomas, K. S. (2021). Do patient characteristics matter when calculating sample size for eczema clinical trials?. Skin Health and Disease, 1(3), Article e42. https://doi.org/10.1002/ski2.42

Background: The Patient-Oriented Eczema Measure (POEM) is the core outcome instrument recommended for measuring patient-reported atopic eczema symptoms in clinical trials. To ensure that the statistical significance of clinical trial results is meani... Read More about Do patient characteristics matter when calculating sample size for eczema clinical trials?.

How should minimally important change (MIC) scores for the Patient Oriented Eczema Measure (POEM) be interpreted?: a validation using varied methods (2018)
Journal Article
Howells, L., Ratib, S., Chalmers, J., Bradshaw, L., & Thomas, K. (2018). How should minimally important change (MIC) scores for the Patient Oriented Eczema Measure (POEM) be interpreted?: a validation using varied methods. British Journal of Dermatology, 178(5), https://doi.org/10.1111/bjd.16367

Background The Patient Oriented Eczema Measure (POEM), scored 0-28, is the core outcome instrument recommended for measuring patient-reported atopic eczema symptoms in clinical trials. To date, two published studies have broadly concurred that the... Read More about How should minimally important change (MIC) scores for the Patient Oriented Eczema Measure (POEM) be interpreted?: a validation using varied methods.