ArticleJournal of veterinary internal medicine2021
Interobserver and intraobserver reliability for 2 grading systems for gastric ulcer syndrome in horses.
Article in Journal of veterinary internal medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 27 citations in OpenAlex.
- Evaluation of a nutraceutical for prevention of equine ulcer recurrence.Equine veterinary journal · 2026Article
- Validation of an improved insect bite hypersensitivity severity score for allergic equine insect bite hypersensitivity in horses.Journal of veterinary internal medicine · 2026Article
- Heart rate variability in horses with naturally occurring gastric ulcers: Response to omeprazole and sucralfate treatment.Open veterinary journal · 2026Article
- Validation of the Equine Urticaria Activity Score for the assessment of chronic recurrent urticaria in horses.Veterinary dermatology · 2025Article
- Impact of Low-Starch Dietary Modifications on Faecal Microbiota Composition and Gastric Disease Scores in Performance Horses.Animals : an open access journal from MDPI · 2025Article
- Article
- Towards the Identification of New Biomarkers in Saliva and Serum for Treatment Monitoring of Equine Gastric Ulcer Syndrome: A Liquid Proteomic Approach.Animals : an open access journal from MDPI · 2024Article
- Article
- Inter-Rater Reliability of Scoring Systems for Abomasal Lesions in Quebec Veal Calves.Animals : an open access journal from MDPI · 2023Article
- Horse Grimace Scale Does Not Detect Pain in Horses with Equine Gastric Ulcer Syndrome.Animals : an open access journal from MDPI · 2023Article
- Equine Gastric Ulcer Syndrome: An Update on Current Knowledge.Animals : an open access journal from MDPI · 2023Review
- Assessment of agreement using the equine glandular gastric disease grading system in 84 cases.Veterinary medicine and science · 2022Article
- Changes in Proteins in Saliva and Serum in Equine Gastric Ulcer Syndrome Using a Proteomic Approach.Animals : an open access journal from MDPI · 2022Article
- Changes in Oxidative Status Biomarkers in Saliva and Serum in the Equine Gastric Ulcer Syndrome and Colic of Intestinal Aetiology: A Pilot Study.Animals : an open access journal from MDPI · 2022Article
- Equine Squamous Gastric Disease: Prevalence, Impact and Management.Veterinary medicine (Auckland, N.Z.) · 2021Review
- Interobserver and intraobserver reliability for 2 grading systems for gastric ulcer syndrome in horses.Journal of veterinary internal medicine · 2021Article
- Improvement of gastric disease and ridden horse pain ethogram scores with diet adaptation in sport horses.Journal of veterinary internal medicineArticle
- Efficacy of the oral supplement, Equine Omega Complete, for the prevention of gastric ulcers and alpha-tocopherol supplementation in horses.Journal of veterinary internal medicineArticle
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundGrading of equine gastric ulcer syndrome (EGUS) is undertaken in clinical and research settings, but the reliability of EGUS grading systems is poorly understood. HYPOTHESIS/
objectivesInvestigate interobserver and intraobserver reliability of an established ordinal grading system and a novel visual analog scale (VAS), and assess the influence of observer experience. ANIMALS: Sixty deidentified gastroscopy videos.
methodsSix observers (3 specialists and 3 residents) graded videos using the EGUS Council (EGUC) system and VAS. Observers graded the videos three 3 for each system, using a cross-over design with at least 1 week between each phase. The order of videos was randomized for each phase.
methodsInterobserver and intraobserver reliability were estimated using Gwet's agreement coefficient with ordinal weights applied (AC2) for the EGUC system and the intraclass correlation coefficient (ICC) for the VAS.
resultsUsing the EGUC system, interobserver reliability was substantial for squamous (AC2 = 0.69; 95% confidence interval [CI], 0.57-0.80) and glandular mucosa (AC2 = 0.72; 95% CI, 0.70-0.75), and intraobserver reliability was substantial for squamous (AC2 = 0.80; 95% CI, 0.71-0.90) and glandular mucosa (AC2 = 0.80; 95% CI, 0.74-0.86). Interobserver reliability using the VAS was moderate for squamous (ICC = 0.64; 95% CI, 0.31-0.96) and poor for glandular mucosa (ICC = 0.35; 95% CI, 0.06-0.64), and intraobserver reliability was moderate for squamous (ICC = 0.74; 95% CI, 0.62-0.86) and glandular mucosa (ICC = 0.56; 95% CI, 0.39-0.72). CONCLUSIONS AND CLINICAL IMPORTANCE: The EGUC system had acceptable intraobserver and interobserver reliability and performed well regardless of observer experience. Familiarity and observer experience improved reliability of the VAS.
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