A birth date, coarsened to its year.
Coarser than a study date on purpose: an age, with a modality and a small institution, identifies a person where a month of imaging does not.
A DICOM date, YYYYMMDD.
YYYYMMDD
The first of that year, or the value unchanged when it is not a date.
A birth date, coarsened to its year.
Coarser than a study date on purpose: an age, with a modality and a small institution, identifies a person where a month of imaging does not.