| Column Name | Data Type | Nullable | Default value | Comments |
|---|---|---|---|---|
| SUBJECT_ID | NUMBER | N | Table record unique identifier, the subject id. | |
| SEX | CHAR | Y | The patient gender | |
| DOB | DATE | N | Date of birth for the patient | |
| DOD | DATE | Y | Date of death for the patient. | |
| HOSPITAL_EXPIRE_FLG | CHAR | N | 'N' | Whether or not the patient died in the hospital |