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Linking of 2 CRFs

Is it possible to link the 2 CRFs (in the same study ) using subject id so that items from one CRF can be brought in other CRF.
For eg: CRF1 contains date of birth

CRF2 contains date of blood collection. Is it possible to link CRF2 to CRF1 using subject id so that age at blood collaection can be computed?


Best regards

Comments

  • charudattacharudatta Posts: 42
    Is it possible to link the 2 CRFs (in the same study ) using subject id so that items from one CRF can be brought in other CRF.
    For eg: CRF1 contains date of birth

    CRF2 contains date of blood collection. Is it possible to link CRF2 to CRF1 using subject id so that age at blood collaection can be computed?


    Best regards
  • GerbenRienkGerbenRienk Posts: 809 ✭✭✭
    Hello Charu Joglekar,

    It is not possible to link two CRF’s in the way you describe.
    It is however possible to have the age of a study-subject at the date of Study-Event, provided that you’ve entered the Date Of Birth of the Subject. This is done at the creation/definition of a dataset: under “Event Attributes” you can tick the box “Subject Age At Event”
    Furthermore it is possible to use dates of different CRF’s in Validations/Rules, but you can not add or subtract dates: comparing them is as good as it gets.
    Hope this helps,

    Gerben Rienk Visser
    Van: [email protected] [mailto:[email protected]] Namens Charu Joglekar
    Verzonden: vrijdag 27 augustus 2010 11:40
    Aan: [email protected]
    CC: [email protected]
    Onderwerp: [Users] Linking of 2 CRFs

    Is it possible to link the 2 CRFs (in the same study ) using subject id so that items from one CRF can be brought in other CRF.
    For eg: CRF1 contains date of birth

    CRF2 contains date of blood collection. Is it possible to link CRF2 to CRF1 using subject id so that age at blood collaection can be computed?


    Best regards
  • mvirtosumvirtosu Posts: 276 ✭✭
    Gerben,

    Your method of using “Subject Age at Event” is available only post data entry, that is, when extracting the dataset. I think Charu wanted to have the date of birth from CRF1 when CRF2 is being data entered.

    Mihai
    Sent: Saturday, August 28, 2010 11:58 AM
    To: [email protected]
    Subject: RE: [Users] Linking of 2 CRFs

    Hello Charu Joglekar,

    It is not possible to link two CRF’s in the way you describe.
    It is however possible to have the age of a study-subject at the date of Study-Event, provided that you’ve entered the Date Of Birth of the Subject. This is done at the creation/definition of a dataset: under “Event Attributes” you can tick the box “Subject Age At Event”
    Furthermore it is possible to use dates of different CRF’s in Validations/Rules, but you can not add or subtract dates: comparing them is as good as it gets.
    Hope this helps,

    Gerben Rienk Visser
    Van: [email protected] [mailto:[email protected]] Namens Charu Joglekar
    Verzonden: vrijdag 27 augustus 2010 11:40
    Aan: [email protected]
    CC: [email protected]
    Onderwerp: [Users] Linking of 2 CRFs

    Is it possible to link the 2 CRFs (in the same study ) using subject id so that items from one CRF can be brought in other CRF.
    For eg: CRF1 contains date of birth

    CRF2 contains date of blood collection. Is it possible to link CRF2 to CRF1 using subject id so that age at blood collaection can be computed?


    Best regards
This discussion has been closed.