You are reviewing define.xml for ADSL. The variable TRTSDT is populated as the first non-missing exposure start date from EX. The origin is listed as "CRF" and the method is blank.
| Variable | Dataset Value Source | Origin | Method |
|---|---|---|---|
| TRTSDT | Minimum EXSTDTC after exposure cleaning | CRF | blank |
What is the best review comment?