Objective: To quantify and compare total staff person-time per imaging episode betweenconventional chest radiography (CXR) and ULDCT in adult emergency department patients in whom CAP is a differential diagnosis.
Patients presenting to the emergency department during daytime weekday hours in whom CAP is a differential diagnosis, and who are able to undergo the assigned imaging examination.
Patients requiring immediate imaging for a critical condition (for example suspected pneumothorax).
Bariatric patients exceeding the technical limits of the scanner
Pregnancy
Patients requiring additional imaging beyond the chest (for example abdominal CT)
Patients from Emergency Department from Hospital Sonderjylland, Aabenraa, Denmark.
Cohort
Cross-sectional
ULDCT
Other interventionTime used to complete the radiographic procedure
Cumulative staff person-minutes per imaging episode
Total human resource utilisation, defined as cumulative staff person-minutes per imaging episode, from the point staff fetch the patient for imaging to the point a final radiological report is available. The time contributed by every involved staff member is summed (multi-staff summation rule: two staff members working simultaneously for two minutes contribute four person-minutes). Contributing personnel categories: porters, radiographers, nurses, and radiologistsor reporting radiographers.
Portering/transport time
From staff fetching the patient at the ward room to arrival at the imaging room measured in minutes
in-room occupancy time
When the patient arrives at imaging until patient leaves imagining department
image acquisition time
Time (minutes) taken to complete the imaging
reporting time
The time (minutes) taken according to the electronic registration system
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