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Introduction
REDCap doesn’t does not have fixed instruments for participants and visits. Therefore, you need to maps map the REDCap project instruments Instruments with OpenSpecimen participants Participant and visits Visit fields.
The REDCap variables for their respective fields (as shown below in red boxes) can be obtained from the ‘data dictionary’ available under ‘Project Home and Design’. Later you can use these variables to map fields between two servers.
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Example of Data Dictionary
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Mapping
As discussed on the REDCap Integration homepage, mapping Mapping can be done at three levels.
When no mapping is specified:
The REDCap record ID is used as PPID.
The time of record creation is used as a registration and visit date.
Once the mapping is created, the plugin will do the following:
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If the participant is not already present in the OpenSpecimen, it will create a new participant with their respective Participant level REDCap forms.
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: Study, Participant, and Visit.
Study Level Mapping
To to link the REDCap project Project with the OpenSpecimen collection protocol, you need to proceed as followsCollection Protocol:
Go to the CP Overview Page of choice and click on the 'settingsSettings' tab on the left sidebar.
Select ‘REDCap Project Configuration' and click on the 'Add Project’ button.
Add the name of your choice, appropriate server, API token generated for the project and default site for CP. You can save the PHI data to the OpenSpecimen by selecting the ‘Enabled’ option for ‘Save PHI Date'. Furthermore, you can also add users to notify them about the errors that occurred during synchronization.
‘Snapshot Download Page Size’ specifies the maximum number of records that will be fetched for the REDCap server at each interval. This is repeated ‘N' numbers of times until all records are pulled. It helps to minimize the overload to the OpenSpecimen server. The default value for it is '1000’.
If you want, you can also add a new server of your choice. To do so, click on the ‘Add New’, provide details on server name, host base URL, plugin path and time zone, and click on the ‘save’ button.
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