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Related Concept Videos

Hazard Ratio01:12

Hazard Ratio

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The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
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The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
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The Copenhagen Triage Algorithm: a randomized controlled trial.

Rasmus Bo Hasselbalch1, Louis Lind Plesner2, Mia Pries-Heje3

  • 1Department of Cardiology, Herlev-Gentofte Hospital, Copenhagen, Denmark. r.hasselbalch@gmail.com.

Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
|October 12, 2016
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Summary
This summary is machine-generated.

A new Copenhagen Triage Algorithm (CTA) aims to improve emergency department (ED) efficiency. This faster, simpler model is being tested against the Danish Emergency Process Triage (DEPT) for non-inferiority in identifying critically ill patients.

Keywords:
Emergency DepartmentTriageVital signs

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Area of Science:

  • Emergency Medicine
  • Clinical Triage Systems
  • Health Services Research

Background:

  • Emergency department (ED) crowding is a significant issue, increasing the risk of adverse patient outcomes.
  • Systematic triage is standard in EDs globally but can be time-consuming and lacks robust evidence.
  • Existing triage models may have limitations, potentially causing more harm than benefit.

Purpose of the Study:

  • To develop a quicker triage model using data from a large cohort of unselected ED patients.
  • To evaluate if the new Copenhagen Triage Algorithm (CTA) is non-inferior to an existing triage model.
  • To assess the impact of a simplified triage system on patient outcomes and ED workflow.

Main Methods:

  • A prospective, two-center, cluster-randomized, cross-over, non-inferiority trial comparing CTA to the Danish Emergency Process Triage (DEPT).
  • Inclusion of 50,000 patients aged 16 years or older admitted to two large acute hospitals.
  • CTA stratifies patients into 5 acuity levels using a scoring chart based on vital signs, with potential clinical assessment adjustments by nurses.

Main Results:

  • The primary endpoint is 30-day mortality.
  • Secondary endpoints include length of stay, time to treatment, intensive care unit admission, and 30-day readmission rates.
  • The study aims to demonstrate non-inferiority of CTA compared to DEPT.

Conclusions:

  • If proven non-inferior, CTA offers a faster and simpler triage method for EDs.
  • This simplified approach has the potential to reduce the burden on ED staff.
  • CTA may facilitate earlier and more effective treatment for critically ill patients.