Fig. 3From: Independent determinants of prolonged emergency department length of stay in a tertiary care centre: a prospective cohort studyEmergency department (ED) length of stay (LOS) as a function of the number of patients present in the ED at the time of ED registration in the 15 days with the lowest number of patients (a) and the 15 days with the highest number of patients per day (b)Back to article page