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

When this option is selected but no treatment start date is found, a message indicating this fact is surfaced and the reference start date is used instead. Furthermore, Tadl shows the JMPC_ANCHORDT set to RFSDTC.

Use reference start date

Use RFSTDTC from ADSL/DM

When this option is selected but no reference start date is found, a message indicating this fact is surfaced and the treatment start date is used instead. Furthermore, Tadl shows the JMPC_ANCHORDT set to, in this order of preference, TRTSDT, TRTSDTM, TRTxxSDT, RFXSTDTC, or EXSTDTC.