Demographics

Origin of Data: Demographic data is pulled from the patient’s electronic medical record. These are typically self-reported fields.

Dates: Only the patient’s most recently entered (current) demographic data is available in i2b2. Date restrictions cannot be applied to demographic data variables when running queries in i2b2

Variable	Description	Values
Age	Patient’s current age in years. For patients 0-36 months old, month-by-month age variables are available. There is a separate age variable under ‘Visit Details’ that allows you to search for patient’s age at the time of a certain encounter (ex., age at time of a procedure)	(adults) >= 18 years old (children) < 18 years old >= 90 years old >= 85 years old >= 65 years old All ages (year by year) 3 to 89 years old 2 years old 25 months 26 months 27 months 28 months 29 months 30 months 31 months 32 months 33 months 34 months 35 months 36 months 1 year old 13 months 14 months 15 months 16 months 17 months 18 months 19 months 20 months 21 months 22 months 23 months 24 months 0 years old 01 months 02 months 03 months 04 months 05 months 06 months 07 months 08 months 09 months 10 months 11 months 12 months
Hispanic	Whether the patient identifies as Hispanic or Latino.	Yes No No Information
Race	Patient’s self-reported race.	American Indian or Alaska Native Asian Black or African American Multiple Races Native Hawaiian or Other Pacific Islander No Information White
Sex	Patient’s sex assigned at birth.	Ambiguous Female Male No Information Other
Vital Status	Whether the patient is known to be deceased per the medical record. Note that we currently only have data on patients that passed away while admitted to the hospital.	Known Deceased