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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.
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Related Experiment Video

Updated: Sep 17, 2025

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Can Patients' characteristics influence triage Errors? A Quasi-Experimental study.

Arian Zaboli1, Davide Battisti2, Marta Ziller3

  • 1Innovation, Research and Teaching Service (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical Private University (PMU), Bolzano, Italy.

International Emergency Nursing
|June 28, 2025
PubMed
Summary

Emergency department triage errors are linked to patient characteristics. Daily auditing by nurses significantly reduced these errors, improving accuracy and equity in emergency care.

Keywords:
ErrorMistriageOver-triagePatientsSocio-demographic characteristicTriageUnder-triage

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Area of Science:

  • Emergency Medicine
  • Healthcare Quality Improvement
  • Patient Safety

Background:

  • Triage errors in emergency departments (ED) occur at high rates (10-30%).
  • Previous research has not definitively identified patient characteristics associated with these errors.
  • Understanding these associations is crucial for improving patient care.

Purpose of the Study:

  • To investigate the association between patient characteristics and triage errors.
  • To assess the impact of daily auditing on triage accuracy and associated patient variables.

Main Methods:

  • A quasi-experimental study conducted in an Italian ED from June 2019 to June 2021.
  • Analysis of patient characteristics and their correlation with triage errors before and after an intervention.
  • Implementation of serial daily audits for triage nurses.

Main Results:

  • In the pre-intervention phase, age and accompaniment to the ED were linked to lower odds of over-triage.
  • Following daily auditing, only being a tourist remained associated with under-triage.
  • Previously significant patient-related variables were no longer associated with triage errors post-intervention.

Conclusions:

  • Patient socio-demographic factors are associated with emergency department triage errors.
  • Daily auditing is a promising strategy to enhance triage accuracy and ensure equitable emergency care.
  • Further research is needed to identify all variables linked to triage errors.