ArticleVeterinary dermatology2025
Validation of the Equine Urticaria Activity Score for the assessment of chronic recurrent urticaria in horses.
Article in Veterinary dermatology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Validation of an improved insect bite hypersensitivity severity score for allergic equine insect bite hypersensitivity in horses.Journal of veterinary internal medicine · 2026Article
- Validation of the Equine Urticaria Activity Score for the assessment of chronic recurrent urticaria in horses.Veterinary dermatology · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundRecurrent urticaria is common in horses. The pathophysiology is poorly understood and treatment options are limited. Often, only glucocorticoids are effective for controlling clinical signs, albeit with potential adverse effects. Studies investigating new treatments need a validated objective scoring system for the grading of skin lesions to assess response. HYPOTHESIS/
objectivesThe aims were to investigate inter- and intraobserver reliability of the Equine Urticaria Activity Score (EqUAS) for the grading of skin lesions in horses with recurrent urticaria, and to examine agreement between experienced and inexperienced observers. ANIMALS: Forty privately owned horses enrolled in a therapeutic clinical trial. MATERIALS AND
methodsTen standardised photographs of both sides of the body of each horse were used to create 40 individual datasets. Five masked observers graded the photographs according to the EqUAS for calculation of interobserver reliability. Intraobserver reliability was calculated from two observers each grading the photographs twice. Scores were evaluated for reliability with Pearson's correlation (r) and for agreement with the intraclass correlation coefficient (ICC).
resultsInterobserver reliability was excellent with r = 0.9036-0.9600 (p < 0.0001). Intraobserver reliability and agreement also were excellent with r = 0.98 for each observer (p < 0.0001) and ICC = 0.945. Correlation and agreement between experienced and inexperienced observers were excellent (r = 0.9615 [p < 0.0001] and ICC = 0.941). CONCLUSIONS AND CLINICAL RELEVANCE: The EqUAS showed excellent intra- and interobserver reliability for the evaluation of skin lesions of horses with chronic recurrent urticaria. It can be a useful tool in clinical studies.
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