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Mass Gathering Events at an Event Hall in Osaka Are a Non-direct Risk of Admission to a Neighboring Emergency
Hiroshi Fukuoka1, Hiroshi Matsuura2,3, Hideo Yanagi1
1Emergency Department, Tane General Hospital, Osaka, JPN.
Insights
Mass gatherings near hospitals increase emergency department visits. Event days significantly correlated with higher patient numbers and hospital admissions, highlighting a need for preparedness.
Area of Science:
- Public Health
- Emergency Medicine
- Event Management
Background:
- The impact of planned mass gathering events on nearby healthcare facilities remains poorly understood.
- Proximity of event venues to hospitals necessitates research into potential patient influx.
Purpose of the Study:
- To analyze the effect of events at a nearby venue on emergency hospital admissions.
- To identify factors influencing hospitalizations during event days.
Main Methods:
- Retrospective observational study of 18,907 emergency department patients over one year.
- Data collected from electronic medical records for event and non-event days.
- Multivariable logistic regression used to assess hospitalization risk factors.
Main Results:
- Emergency department visits were significantly higher on event days (56.4 patients) compared to non-event days (47.5 patients).
- Event day status was an independent risk factor for hospitalization (adjusted odds ratio: 1.11).
- Other independent risk factors included age, male gender, emergency medical services transport, and rain.
Conclusions:
- Event days at nearby venues are independently associated with increased hospital admissions from the emergency department.
- Healthcare facilities near event venues should anticipate increased patient volume during planned gatherings.
- Event planning should consider potential impacts on local emergency services.
Background:
The influence of planned mass gathering events on surrounding residents is not understood sufficiently.
Objectives:
The purpose of this study was to investigate how events at an event hall affect a neighboring emergency hospital throughout the year.
Methods:
This was a single-center, retrospective, observational study conducted on all patients who presented to the emergency department from January 1 to December 31, 2019. The event hall is located 200 meters from the hospital, and various events such as music concerts and professional baseball games are held at the hall throughout the year. We collected patient information from the electronic medical records. The factors associated with hospitalization were assessed using a multivariable logistic regression analysis.
Results:
This study comprised 18,907 patients who visited our emergency department. The number of patients on event days was 9,981 and that on no-event days was 8,922. The mean (SD) number of patients visiting on event days was 56.4 (14.9), and that on no-event days was 47.5 (14.1) (p<0.05). The multivariable logistics regression analysis showed age (adjusted odds ratio (AOR): 1.03; 95% confidence interval (CI): 1.03-1.04), male gender (AOR: 1.21; 95% CI: 1.13-1.31), transportation by emergency medical services (AOR: 2.56; 95% CI: 2.37-2.75), rain days (AOR: 1.14; 95% CI: 1.04-1.23), and event day (AOR: 1.11; 95% CI: 1.02-1.20) to be independent risk factors of hospitalization.
Conclusions:
In this study, we found that event day was one of the independent risk factors of admission to the hospital from the emergency department.
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