Anchor Date for Study Day Calculation

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Use this widget to specify the variable to use for specifying the anchor date for deriving study days for each subject..

Available options are listed in the following table:

Option:

Select when you want to:

Use Treatment start date

Use the following variables from ADSL/DM/EX, in this order of preference: TRTSDT, TRTSDTM, TRTxxSDT, RFXSTDTC, or EXSTDTC

Use reference start date

Use RFSTDTC from ADSL/DM

To Specify Which Variable to Use for Anchor Dates:

8 Click the radio button corresponding to your choice.