Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

A CRF includes the following subjectsobjects:

  • CRF Version:
    • Each CRF must have at least one version.
    • Other versions are usually created when users what to update a CRF in use or add options into a CRF.
    • Children: Section
  • Section: 
    • Mainly used for the display purpose of splitting a CRF into multiple pages when viewing a CRF
    • Children: Group
  • Group
    • Used to group items into logical groups for easy data handling and analyis
    • Only repeating groups appear upon display of form
    • Children: Row, Group
  • Row
    • Only for display purpose to group items into a row upon display
    • Children: Item
  • Item: 
    • Smallest unit of a CRF representing a field within the data form. 

Not all subjects objects in a CRF Builder is used to store data. Some subjects objects such as section or row are only used for display purposes. 

Example: The following diagram shows the relationship between subjects objects of CRF builder and subjects objects in ODM-CDISC data standard.

...