This function is used to get study early discontinuation list. Based on the `REGISTRY` eCRF for ADNI1-GO-2 and `STUDYSUM` eCRF for ADNI3-4.
Value
A data frame with the following columns:
RID: Subject ID
ORIGPROT: Original study protocols
COLPROT: Current study protocols which the event was recorded
SDSTATUS: Disposition status
SDDATE: Dispostion date
See also
Other ADNI flag:
get_death_flag()