Data Type	Definition
Length of stay	Number of days a patient stayed in hospital for a specific admission.
Complexity level	Levels of severity or complexity of disease or condition as determined by Health Records Department’s standard evaluation procedure: 1. No complexity 2. Complexity related to chronic condition(s) 3. Complexity related to serious/important condition(s) 4. Complexity related to potentially life-threatening condition(s) 9. Complexity not applied (maternity, newborn, psychiatry, HIV, some trauma cases)
Clinical pharmacy note status	Note that is written in the patient’s chart by a pharmacist, often in the form of a SOAP note (subjective, objective, assessment, plan); may contain various types of information, but primarily recommendations for resolution of drug-related problems.
Discharge date	Date that the patient was discharged with approval (including transfer to another facility).
ICU stay
ICU admission date	Admission date and time the patient entered the ICU.
ICU discharge date	Discharge date and time the patient left the ICU.
ICU days	Total number of days the patient stayed in the ICU; minimum stay is counted as 1 day, even if the ICU visit started and ended on the same calendar day.
Status of expiry	“Expired patients” refers to those who died during the hospital admission.

ICU = intensive care unit.