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Usability Evaluation of EzList: A Digital Platform for Surgical Waitlist Management Using Standardized Metrics
Guilherme Pimenta Roncete1, Guilherme Gentile2, Fabio Carvalho Vicentini2,3
1Universidade de Sao Paulo Faculdade de Medicina, SP, Brazil, São Paulo.
Applied Clinical Informatics
|May 22, 2026
Summary
This study assessed the usability of EzList, a digital platform for surgical waitlist management. While users found EzList highly usable and satisfactory, moderate errors and inefficiencies suggest interface improvements are needed for better workflow clarity and adoption.
Area of Science:
- Healthcare Informatics
- Medical Device Usability
- Surgical Workflow Optimization
Background:
- Effective management of elective surgical waitlists is crucial for optimizing patient flow and resource allocation.
- Digital platforms offer potential solutions for streamlining complex waitlist processes.
- Assessing the usability of such platforms is essential for successful implementation and adoption in clinical settings.
Purpose of the Study:
- To evaluate the usability of EzList, a Brazilian digital platform designed for elective surgical waitlist management.
- To identify specific areas for interface refinement and design improvements.
- To assess the platform's impact on user efficiency, satisfaction, and workflow adherence.
Main Methods:
- A summative usability assessment was performed on ten surgeons and surgical residents using IEC 62366:2015 and ISO 14971 standards.
- Participants completed seven representative clinical tasks, with usability measured via System Usability Scale (SUS) and Single Usability Metric (SUM).
- Key metrics included task completion rates, error rates, task time, user satisfaction, and workflow adherence.
Main Results:
- The platform demonstrated good to excellent perceived usability (mean SUS score: 84.6) and high task completion (95.7%) and satisfaction.
- Moderate error rates (27.9%) were observed, primarily due to comprehension issues and redundant steps, impacting efficiency (1.47%).
- Variability in learning curves and need for assistance (14.3%) indicate potential for design optimization to enhance adoption.
Conclusions:
- EzList is a highly usable digital platform for surgical waitlist management, supporting efficient task completion and positive user perception.
- Interface refinements are recommended to address moderate error rates and workflow clarity issues.
- A more intuitive design is suggested to facilitate broader clinical adoption and improve learning efficiency.
