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Table 4 Human-centered design principles for HRS

From: Human-centered design of a health recommender system for orthopaedic shoulder treatment

I-C-IT Design Features

Human Factors for System Design

Design Principles

- Familiar and utilitarian data elements for treatment decisions.

- Appropriate feedback on action.

- Accuracy and reliability in data analytics.

User trust in data evidence

Predictability

- Physicians search history learning (content filtering)

- Similar search learning (content and collaborative filtering)

- Patient cohort learning (collaborative filtering)

- Patient’s treatment outcome preference-based risk benefit profiling of treatment options.

User preference integration

Personalization

- Clear data cohort selection with data classifiers on top of visualization pane.

- Number of patients in selected cohort (N) dynamically displayed

- Information icons to define visualized concepts and metrics.

Increased interpretability and explainability of visual data elements

Transparency

- Dynamic searches and cohort selection

- Instant visualization update

- Quick screen loading

- Capability for EHR integrated auto-search for the current patient’s record.

Instant screen updates and intuitive navigation

Latency

- Context aware and personalized filtering of data cohort and data visualizations.

- Optional search elements for tailored cohort selection.

- User (physician) knowledge integration in data elements design.

- Intuitive mapping of element labels to real world practice.

Relevant data elements selection and display

Accuracy

- Comprehensive visualization of data elements.

- Patient provider communication enhancement with visual data evidence for treatment options.

- EHR integration capability for increased utility.

- User-centered evaluation of design.

Reduced burden of gathering data evidence

Usefulness