redcap overview institute for clinical and translational science neil nuehring jesteny pascual...
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REDCap OverviewInstitute for Clinical and Translational Science
Neil NuehringJesteny PascualDaniel Hingtgen
https://icts.uiowa.edu/confluence/download/attachments/53149797/REDCap_Overview_RPN_Group.pptx
What is REDCap?
REDCap (Research Electronic Data Capture) is a web-based application used to create forms and manage databases in order to support data capture and surveys for research studies.
https://www.icts.uiowa.edu/content/redcap-research-electronic-data-capture
REDCap Form Types
• Survey Can be targeted for specific participant Can be anonymous
•Data Capture Intended for a research team member
or collaborator
Who can use REDCap?
Any University of Iowa investigator or research team can use REDCap.
You can log into REDCap via:https://redcap.icts.uiowa.edu
Video training modules are available via:https://redcap.icts.uiowa.edu/redcap/index.php?action=training
Why choose REDCapover Excel and Access?
• Access to REDCap is authenticated Uses University of Iowa LDAP HawkID and password
• Secure hosting and regular data backups Data backups, software upgrades, and system
maintenance are handled automatically by ICTS Data is secured via SSL
• Allows multi-site access Research teams can input data simultaneously, from
across the hall or across the country
Additional reasons why to choose REDCap over Excel and Access
Researchers can build databases rapidly Any user can login and start a project
Research teams have autonomy Create a new database or survey Assign user permissions and roles to others
(done in accordance with the IRB) Granting rights for data import and export
REDCap Web InterfaceForm creation and data entry are easy in the web interface
REDCap Data Collection
• Classic Data Collectiono Form used for a single time period
(questions asked once)
• Longitudinal Data Collectiono Form used for multiple time periods (e.g.
vitals at initial visit, 30 days, 60 days, etc.)o Same form used for all time periodso Calendar used to schedule subject visits
REDCap Features
Branching logic is supported Calculated fields are supported Researchers can copy projects Researchers can make modifications to
their project any time during the study Draft mode (design phase) Production mode (data collection phase)
REDCap Confidential Data
Identified data:•What are identifiers?
Examples: MRN, Name, Social Security Number, etc.
• Identified data can be selected in REDCap to create access restrictions on those fields
REDCap Access Control
Researchers choose which individuals have access to what features:• Identified data (Team Members)• De-identified data (Data Analyst)• Data export (Principal Investigator)• Import capability (Data Entry)• User rights (Project Owner)• View reports (Project Manager)• View logging (Auditor)• Data quality (Quality Control)
REDCap Report Generation
Reports are:• Easy to generate
Any field can be specified as a report column Sort order and column order specified Simple filtering (e.g. males > age 21)
• Saved and recalled later• Can be limited to certain users• Often used as an interface for accessing
individual records
REDCap File Sharing
File Repository• Project-specific files can be stored here
Consent form template Standard Operating Procedure (SOP) No need for shared network drive
• Files can be securely shared with project members and non project members Via REDCap login (members) Via email and a token (non-members)
REDCap Graphing
Graphics Data View & Stats
REDCap Data Quality Control
• Data Comparison Tool Used to compare two records in a project
• Data Quality Tool Missing Values Validation Errors (incorrect or out of range) Outliers Hidden fields with values Multiple choice fields with invalid data
REDCap Features
Double Data Entry• Two persons perform data entry• Each data entry is independent
DDE1 and DDE2 roles are assigned to different individuals
• A reviewer reconciles differencesReviewer role is assigned to a third person
• An admin must to enable capability
REDCap Extensions• API
Allows external applications to connect to REDCap Used to retrieve or modify data in REDCap (via data export
and import) Admin needs to enable
• Plugins For web developers to extend REDCap functionality.
• Dynamic Data Pull (DDP) Integrated solution for retrieving data from external sources
(e.g. Epic’s Clarity database) into a REDCap project.
REDCap Analysis
Researchers can export data to a variety of statistical analysis packages (SPSS, SAS, Stata, R or Excel)
Researchers can grant or restrict access to export data for analysis
Data exports are customizable, including all or some of the data forms and fields
Exports can include identified or only de-identified data depending on user and group rights
REDCap Auditing
Data logging records information:•Who changed the data•What data was accessed•When these events occurred
REDCap System Security
Things the IRB will want to know• Physical Security
Primary Data – HCIS Pomerantz Data Center Data backups – ITS Lindquist Data Center
• Operating System Security HawkID based logins Data encrypted on the hard drive
REDCap Data Backups• Backups are encrypted
Via the disk. Even the system admins who have access to the hard drive are unable to read it.
Via the network. If someone were listening to network transmission they would be unable to decipher the information.
• Copies of data replicated to remote data center every 15 minutes100+ point in time copies of data available at any
time• Disaster recovery strategy has been tested without
data loss
Reminder
• ICTS Department Events:http://events.uiowa.edu
• Newsletter wiki page:https://www.icts.uiowa.edu/confluence/display/REDCapDocs/REDCap+Newsletter
• Internal REDCap documentation:https://www.icts.uiowa.edu/confluence/display/REDCapDocs/REDCap
Questions?Please submit an I-CART REDCap support request.
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