Long length of stay at the emergency department is mostly caused by organisational factors outside the influence of the emergency department: A root cause analysis
Fig 1
Examples of root causal trees.
(a) O-EX External: Organisational External Factor, DRF: Disease Related Factor. (b) O-EX External: Organisational External Factor. (c) O-EX External: Organisational External Factor, DRF: Disease Related Factor.