myCSG © |Area: TASKS| Concept: SDTMGEN : SDTM General Concepts | Lesson: L070a : SDTM DM dataset RFPENDTC programming - manual approach |

 

 

Background
  • SDTM.DM domain is used to capture some important demographics related variables and certain key date variables for the subject
  • RFPENDTC is one such date variable
  • It is used to capture the 'Date/Time of End of Participation' of a subject
  • At the end of the study, this will be equivalent to the end of study date for the subject when the subject discontinued/completed the study
  • This variable will generally be used in downstream ADaM programming to identify the last known date of subject on study
  • Some specification authors prefer keeping it equivalent to the end of study date (from a disposition page), while others prefer deriving it based on all applicable date variables in study 
  • If the first approach is used, the 'last known date' will be derived in ADaM datasets using all applicable date variables from SDTM datasets

What do we learn in this lesson?
  • In this lesson, we will see a programming approach to derive RFPENDTC variable using applicable raw date variables
VARIABLE_NAMEVARIABLE_LABELDERIVATION
RFPENDTC Date/Time of End of Participation Populate with the latest date value across all date variables in raw datasets.
Note that the date variables can be identified with the suffix of DT_RAW.
Complete SAS code to generate the output is available for registered users!

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