Anchor Date for Study Day Calculation

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.