CEA Shiny App - Interactive Cost-Effectiveness Analysis Tool

Interactive web application for cost-effectiveness analysis

Technology Stack

• Backend: R + dampack + ggplot2/plotly
• Frontend: Shiny
• Analysis: Built on proven CEA packages (dampack, potentially hesim)

Development Roadmap

Phase 1: Core Functionality: done

• Manual strategy input interface
• Basic ICER calculations with dampack
• Cost-effectiveness plane and ICER table outputs
• Parameter input forms (outcome types, thresholds)

Phase 2: Advanced Analysis (Weeks 4-6)

• Probabilistic sensitivity analysis integration
• Tornado diagrams for one-way sensitivity analysis
• CEAC curve generation
• CSV upload functionality

Phase 3: Polish & Deployment (Weeks 7-8)

• Interactive plot enhancements (plotly integration)
• Export capabilities (PDF reports, Excel tables)
• Input validation and error handling
• Documentation and deployment

Phase 4: Data Storage & Management (Future)

• Database integration to store analysis results
• Intervention categorization system (broad categories + specific interventions)