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Papers: 7 Jan 2023 - 13 Jan 2023

2023 Jan 11


External validation of the IHS4-55 in a European antibiotic-treated HS cohort.


van Straalen KR, Tzellos T, Alavi A, Benhadou F, Cuenca-Barrales C, Daxhelet M, Daoud M, Efthymiou O, Giamarellos-Bourboulis EJ, Guillem P, Gulliver W, Jemec G B E, Katoulis A, Koenig A, Lazaridou E, Lowes MA, Marzano AV, Matusiak Ł, Molina-Leyva A, Moltrasio C, et al.
Dermatology. 2023 Jan 11.
PMID: 36630943.


Previously, a new dichotomous outcome was developed, calculated as 55% reduction in the International Hidradenitis Suppurativa 4 score (IHS4-55). It was validated in datasets of adalimumab and placebo treated HS patients. External validation is an important aspect of clinical outcomes.