Table 1.

Epic metric key terms and variables associated with study measures.

Epic metric	Description	Calculation
Reporting period	For a month, it starts on the Sunday on or immediately before the 1st and ends on the last Saturday of the month.	= (End date-start date)
Days with appointments	Percentage of days with at least one appointment within the reporting period.	For a reporting period:
Appointments per day	Average minutes a provider spent in the system outside of scheduled hours.	For a reporting period:
Time spent outside scheduled hours	Average minutes a provider spent in the system outside of scheduled hours.	For a reporting period:
Time spent on unscheduled days	Average minutes a provider spent in the system on days with no scheduled patients.	For a reporting period: