Developing a Versatile Clinical Data Management System for Medical Research
Created a generic clinical data management system using Yii to replicate Case Report Forms electronically. The system supports multiple studies, double data entry for quality control, and data export for analysis. This provided an efficient, scalable solution for medical research data management.
- Healthcare and Medical Research
- Yii Framework, MySQL, Quality Control (Double Data Entry), Data Export (Excel), Custom Interface Development, Multi-Study Support
- South Africa
The Client
The client is involved in building clinical data management systems (CDMS) for medical researchers, doctors, nurses, and clinics.
The Challenge
The primary challenges included:
- Efficiently managing and replicating Case Report Forms (CRFs) electronically.
- Facilitating easy data entry and export for later analysis.
- Catering to various preferences of researchers and universities without investing in expensive and complex enterprise systems.
- Creating a generic system that can be easily adapted for future studies and multiple instances.
The Solution
A custom clinical data management system was developed using Yii, focusing on the following features:
- Multi-Study Support: The system can handle multiple studies simultaneously, with each study having its own manager and specific settings.
- Interactions and Visits: Supports both physical and virtual patient interactions, with data groups linked to visits.
- Data Groups: Organized data into master, interaction, and log types for efficient data management across visits.
- Double Data Entry: Enabled for quality control, ensuring accuracy by comparing two entries of the same data.
- User Management: Restricted data access based on user roles and permissions.
- Data Export and Reporting: Facilitated data export to Excel and provided quality control reports for discrepancy checks.
Tools and Technologies
The following tools and technologies were utilized:
Yii
MySQL
Database Management
Quality Control
Export Tools
Custom Interface
The Result
The implementation resulted in several benefits:
- Efficiency: Streamlined data entry and management for clinical trials.
- Flexibility: Catered to various user preferences and study requirements.
- Accuracy: Improved data accuracy through double data entry and quality control reports.
- Scalability: Created a generic system that can be easily adapted for future studies, supporting multiple instances and studies on the same server.
- User Satisfaction: Provided a user-friendly interface for both normal users and admins, enhancing the overall experience.
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