Trends in emergency department utilization, 1988-1997

Area of Science:

• Emergency Medicine
• Health Services Research
• Public Health

Background:

• Emergency department (ED) utilization is a key indicator of healthcare system strain.
• Understanding trends in ED visits is crucial for resource allocation and strategic planning.
• Managed care markets influence healthcare delivery and patient access to services.

Purpose of the Study:

• To analyze changes in emergency department (ED) utilization over a decade.
• To identify key factors influencing ED utilization patterns.
• To assess the impact of population changes and patient acuity on ED services.

Main Methods:

• Retrospective analysis of ED visit data from a rural tertiary referral center (1988-1997).
• Data collected included year, time, level of care, length of stay (LOS), and admission status.
• Regression analysis used to determine the relationship between ED visits and service population size.

Main Results:

• ED visits increased by 27% from 1988 to 1997, correlating strongly with an 18.7% population growth (r=0.97).
• Patient acuity increased, with urgent visits rising from 45% to 52%.
• Hospital admission rates increased from 14% to 20%, and prolonged LOS (>6 hours) doubled from 8% to 16%.

Conclusions:

• ED utilization is directly linked to population size.
• A trend towards increased patient acuity signifies a growing demand for higher-level emergency care.
• These findings highlight potential national trends affecting ED staffing, space, and resource requirements.