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Interobserver Reliability and Sensitivity to Change of a Composite Ocular Inflammatory Activity Index: UVEDAI©
Esperanza Pato-Cour1, Lara Borrego-Sanz2, Marta Domínguez-Álvaro3
1Rheumatology Department and Health Research Institute (IdISSC), Hospital Clinico San Carlos, C/ Profesor Martin Lagos s/n, 28040, Madrid, Spain. esperanza.pato@salud.madrid.org.
Ophthalmology and Therapy
|April 18, 2024
Summary
The uveitis disease activity index (UVEDAI) demonstrated high reliability between observers and effectively measured treatment response in noninfectious uveitis patients. This index aids objective comparisons in clinical practice and trials.
Area of Science:
- Ophthalmology
- Clinical Trials
- Rheumatology
Background:
- Noninfectious uveitis poses challenges in monitoring disease activity.
- Objective and reliable disease activity indices are crucial for patient management and research.
Purpose of the Study:
- To evaluate the interobserver reliability of the uveitis disease activity index (UVEDAI).
- To assess the sensitivity of the UVEDAI to change in patients receiving pharmacologic treatment for noninfectious uveitis.
Main Methods:
- A prospective, longitudinal, observational study involving 111 patients across eight Spanish tertiary hospitals.
- Two independent ophthalmologists assessed ocular inflammatory activity using UVEDAI at baseline.
- Sensitivity to change was evaluated at 4 weeks post-treatment initiation.
Main Results:
- The UVEDAI showed high interobserver reliability with an intraclass correlation coefficient (ICC) of 0.9.
- Statistically significant differences (p=0.00) in UVEDAI values were observed at 4 weeks, indicating sensitivity to change.
- The mean UVEDAI decreased by over 1 point at the 4-week follow-up, signifying a clinically relevant reduction in inflammatory activity.
Conclusions:
- The UVEDAI is a reliable and sensitive tool for assessing disease activity in noninfectious uveitis.
- The index facilitates objective comparisons of treatment outcomes in both clinical practice and research settings.
