Patient emergency department total length of stay (LOS)

Time from when a patient arrives in the emergency department to when they leave the emergency department (some go home and some are admitted to the hospital).

What do you see?

  • Are there any trends over time at the emergency department(s) where you work or would be most likely to visit?
Whether you’re a patient, provider, or health system administrator, thinking about why these differences might exist can start conversations and lead to solutions for improved quality of healthcare.

  Compare patient volumes with this measure.
*Data courtesy of Alberta Health Services

Understanding "patient emergency department total length of stay"

It can be anywhere from less than one hour to many hours from when patients arrive in the emergency department and are first assessed, to when their emergency medical treatment is complete and they leave the emergency department to either go home (discharged patients) or to a hospital bed (admitted patients).

Knowing the total length of time patients stay in the emergency department is important for understanding patients’ overall experience. The length of time patients are in the emergency department can impact how long newly arriving emergency department patients wait to see an emergency doctor.

Patients’ total length of stay is influenced by a number of factors. For example, while patients are being treated in the emergency department, they may also be waiting for things like lab results, specialist/admitting doctor opinions, results from an X-ray or CT scan, or to see how they respond to treatment. If admitted patients remain in the emergency department waiting for a bed in the hospital to become available, it increases their length of stay. Admitted patients’ length of stay in emergency is particularly important because patients who need to be admitted to hospital require additional resources that are not best-suited to emergency department care. It also means that treatment space is not available to newly arriving emergency patients.

Another way of thinking about the importance of emergency department length of stay

If an emergency department had 10 treatment rooms, and each patient stayed 4 hours in the emergency department, 60 patients could be treated in 24 hours.

However, if each patient stayed 8 hours, only 30 patients could be treated in 24 hours.

Decreasing patients’ total length of stay in the emergency department is important to the experience of all patients in the emergency department. 
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Results from May and June 2016 are not reported for the Northern Lights Regional Health Centre due to the forest fire that affected Fort McMurray and forced the closure of the Northern Lights Regional Health Centre.

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