Table 1.

Summary of features

Category	Number of features	Description
Diagnoses	457	First three digits of ICD-10 codes (ICD-19 codes were first converted to ICD-10 codes)
Medications	227	The total quantity of a medication a patient received
Clinical events	251	The highest, lowest and median values for each event if there are multiple values in one encounter
Laboratory tests	530	The numbers of high, low and normal values and the total number for each test
Demographics	3	Gender, age, race/ethnicity

ICD-9: International Classification of Diseases–Ninth Revision; ICD-10: International Classification of Diseases–Tenth Revision.