Objective To determine whether patients who are not admitted to hospital after attending an
emergency department during shifts with long waiting times are at risk for adverse events …

Objectives: To determine which patient characteristics are associated with prolonged waiting
times in the emergency department and which characteristics are associated with an …

Background The actual impact of emergency department (ED)'wait'time on hospital mortality
in patients admitted as a medical emergency has often been debated. We have evaluated …

Background Studies finding higher mortality rates for patients admitted to hospital at
weekends rely on routine administrative data to adjust for risk of death, but these data may …

STUDY OBJECTIVE: To address concerns about prolonged emergency department (ED)
stays from crowding, England mandated that the maximum length of ED stay for 98% of …

Background Delays to timely admission from emergency departments (EDs) are known to
harm patients. Objective To assess and quantify the increased risk of death resulting from …

Previous studies have suggested that most emergency department (ED) patients who leave
without being seen by a physician (LWBS) are nonurgent. Our institution developed a fast …

Background: The causes of unscheduled returns to the emergency department (ED) within
72 hours of discharge are unclear. A study was undertaken to identify factors associated with …

ACADEMIC EMERGENCY MEDICINE 2011; 18: 390–397© 2011 by the Society for
Academic Emergency Medicine Abstract Objectives: The objective was to measure the …

Objective To measure incidence of early death after discharge from emergency
departments, and explore potential sources of variation in risk by measurable aspects of …