Information that is consistent for the lifetime of a patient is stored in this table.
|Name||Postgres data type|
subject_id is a unique identifier which specifies an individual patient. Any rows associated with a single
subject_id pertain to the same individual. As
subject_id is the primary key for the table, it is unique for each row.
gender is the genotypical sex of the patient.
dod is the date of death as recorded in the hospital database.
These columns provide information regarding the actual patient year for the patient admission, and the patient’s age at that time.
anchor_yearis a shifted year for the patient.
anchor_year_groupis a range of years - the patient’s
anchor_yearoccurred during this range.
anchor_ageis the patient’s age in the
- Example: a patient has an
anchor_year_groupof 2008 - 2010, and an
- The year 2153 for the patient corresponds to 2008, 2009, or 2010.
- The patient was 60 in the shifted year of 2153, i.e. they were 60 in 2008, 2009, or 2010.
- A patient admission in 2154 will occur in 2009-2011, an admission in 2155 will occur in 2010-2012, and so on.
ANCHOR_YEAR_SHIFTED are intended to be analyzed together. The
ANCHOR_AGE is the age of the patient in the given
ANCHOR_YEAR_SHIFTED. In order to determine the age of a patient on admission to the hospital, it is necessary to account for the number of years between
ANCHOR_YEAR_SHIFTED and their hospital admission time.
The de-identified date of death for the patient. Date of death is extracted from the hospital information system only, and does not include out of hospital mortality as of MIMIC-IV v1.0.
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.