Table 2.

Audit Definitions

Term	Definition
Acute Care	All critically ill in-patients/emergency departments patients that require immediate diagnostic/interventional imaging.
Non-acute Care	All in-patients and out-patients that do not fall into the acute care category
Inpatient non-acute Care	All ward admitted in-patients that do not require immediate diagnostic/ interventional imaging.
Elective Care	All out-patients
Onsite Hospital Radiologist	A radiologist primarily employed by the hospital and reporting from within the hospital.
Offsite Hospital Radiologist	A radiologist primarily employed by the hospital but reporting offsite (e.g., home reporting).
Offsite non-hospital radiologist/ teleradiologist	A radiologist usually working remotely for a teleradiology company.
Normal working hours/ weekday	Monday–Friday generally 8 am–6 pm
Daytime	Generally 8 am–6 pm
Evening	Generally 6 pm–10 pm
Overnight	Generally 10 pm–8 am
Out of Hours	Monday–Friday generally 6 pm–8 am and weekends
Elective weekday evening work	Non-acute radiology performed generally sometime between 6 pm–10 pm, Monday–Friday (i.e., out of normal working hours).
Elective weekend work	Non-acute radiology performed generally sometime between 8 am–6 pm on Saturday or Sunday.
Weeknight work	Monday–Friday generally between 10 pm–8 am