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Related Experiment Video

Updated: Nov 12, 2025

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit

Published on: September 30, 2020

Identifying Acuity Level-Based Adult Emergency Department Use Time Trends Across Demographic Characteristics.

Swarna S Weerasinghe¹, Sam G Campbell²

¹Department of Community Health and Epidemiology, Dalhousie University, Halifax, CAN.

|March 17, 2021

Summary

This summary is machine-generated.

Canadian emergency departments (EDs) face rising use, particularly by elderly patients. Stabilizing ED visit rates requires maintaining declining trends in low-acuity visits, as high-acuity visits by older adults are the primary driver of increases.

Keywords:

canadian triage acuity scale based emergency visits demographic characteristics of ed visit trends emergency department visit rates time trends

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Area of Science:

Emergency Medicine
Health Services Research
Geriatric Medicine

Background:

Canadian emergency departments (EDs) are experiencing increased utilization.
Projected 40% rise in ED service utilization over three decades necessitates local data for planning.
Growing populations of elderly, unhoused individuals, and those without primary care contribute to ED strain.

Purpose of the Study:

To identify and quantify acuity level-based per capita ED visit time trends from 2006-2015.
To analyze demographic variations (age, gender, housing status) in ED visit trends.
To provide data for targeted local ED planning and resource allocation.

Main Methods:

Analysis of administrative data from Halifax's largest ED (2006-2015).
Calculation of per capita adult ED visit rates (EDVR) by Canadian Triage Acuity Scale (CTAS), age, gender, and housing status.
Age-gender standardization of rates using 2011 census data to account for population changes.

Main Results:

Annual linear per capita non-homeless EDVR increased by 328/year.
Declining trends in low-acuity CTAS 4-5 visits (2012-2015) could stabilize overall EDVR if maintained.
Alarming annual increase in high-acuity CTAS 2 visits (335/year), primarily driven by patients over 50.
Homeless ED visits did not significantly contribute to the overall increase, though high-acuity visits were noted in younger homeless individuals.

Conclusions:

Neither city population growth nor increased homeless visits drove ED visit trends.
The primary driver of increasing ED visits is high-acuity visits by patients over 50.
Maintaining declining low-acuity visit trends is crucial for stabilizing future ED demand.